Home / 972,005.70-1,458,008.55-262,008.30

Finding the Fourth Proportional to 972,005.70, 1,458,008.55 and 262,008.30

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Solution

The fourth proportional to 972,005.70, 1,458,008.55 and 262,008.30 is: 393,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,005.70 : 1,458,008.55 = 262,008.30 : x
  2. Step 2: Convert to fraction form
    972,005.70/1,458,008.55 = 262,008.30/x
  3. Step 3: Cross multiply
    972,005.70x = 1,458,008.55 × 262,008.30
  4. Step 4: Simplify right side
    972,005.70x = 382,010,341,570.97
  5. Step 5: Solve for x
    x = 382,010,341,570.97/972,005.70
  6. Step 6: Final answer
    x = 393,012.45

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Double scale
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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.