Home / 972,003.80-1,458,005.70-493,706.90

Finding the Fourth Proportional to 972,003.80, 1,458,005.70 and 493,706.90

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Solution

The fourth proportional to 972,003.80, 1,458,005.70 and 493,706.90 is: 740,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,003.80 : 1,458,005.70 = 493,706.90 : x
  2. Step 2: Convert to fraction form
    972,003.80/1,458,005.70 = 493,706.90/x
  3. Step 3: Cross multiply
    972,003.80x = 1,458,005.70 × 493,706.90
  4. Step 4: Simplify right side
    972,003.80x = 719,827,474,329.33
  5. Step 5: Solve for x
    x = 719,827,474,329.33/972,003.80
  6. Step 6: Final answer
    x = 740,560.35

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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.