Home / 732,022.90-1,098,223.65-428,673.24

Finding the Fourth Proportional to 732,022.90, 1,098,223.65 and 428,673.24

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Solution

The fourth proportional to 732,022.90, 1,098,223.65 and 428,673.24 is: 643,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,022.90 : 1,098,223.65 = 428,673.24 : x
  2. Step 2: Convert to fraction form
    732,022.90/1,098,223.65 = 428,673.24/x
  3. Step 3: Cross multiply
    732,022.90x = 1,098,223.65 × 428,673.24
  4. Step 4: Simplify right side
    732,022.90x = 470,779,090,290.13
  5. Step 5: Solve for x
    x = 470,779,090,290.13/732,022.90
  6. Step 6: Final answer
    x = 643,120.72

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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.