Home / 972,004.20-1,458,006.30-474,340.20

Finding the Fourth Proportional to 972,004.20, 1,458,006.30 and 474,340.20

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Solution

The fourth proportional to 972,004.20, 1,458,006.30 and 474,340.20 is: 711,510.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,004.20 : 1,458,006.30 = 474,340.20 : x
  2. Step 2: Convert to fraction form
    972,004.20/1,458,006.30 = 474,340.20/x
  3. Step 3: Cross multiply
    972,004.20x = 1,458,006.30 × 474,340.20
  4. Step 4: Simplify right side
    972,004.20x = 691,590,999,943.26
  5. Step 5: Solve for x
    x = 691,590,999,943.26/972,004.20
  6. Step 6: Final answer
    x = 711,510.30

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Half scale
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Double scale
Find fourth proportional to 972,005.20, 1,458,007.80 and 474,341.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.