Home / 724,918.24-1,000,359.49-402,649

Finding the Fourth Proportional to 724,918.24, 1,000,359.49 and 402,649

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Solution

The fourth proportional to 724,918.24, 1,000,359.49 and 402,649 is: 555,640.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,918.24 : 1,000,359.49 = 402,649 : x
  2. Step 2: Convert to fraction form
    724,918.24/1,000,359.49 = 402,649/x
  3. Step 3: Cross multiply
    724,918.24x = 1,000,359.49 × 402,649
  4. Step 4: Simplify right side
    724,918.24x = 402,793,748,289.01
  5. Step 5: Solve for x
    x = 402,793,748,289.01/724,918.24
  6. Step 6: Final answer
    x = 555,640.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.