Home / 936,729.80-1,404,766.65-487,301.30

Finding the Fourth Proportional to 936,729.80, 1,404,766.65 and 487,301.30

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Solution

The fourth proportional to 936,729.80, 1,404,766.65 and 487,301.30 is: 730,781.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,729.80 : 1,404,766.65 = 487,301.30 : x
  2. Step 2: Convert to fraction form
    936,729.80/1,404,766.65 = 487,301.30/x
  3. Step 3: Cross multiply
    936,729.80x = 1,404,766.65 × 487,301.30
  4. Step 4: Simplify right side
    936,729.80x = 684,544,614,741.65
  5. Step 5: Solve for x
    x = 684,544,614,741.65/936,729.80
  6. Step 6: Final answer
    x = 730,781.29

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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.