Home / 724,299.26-999,525.69-402,001.07

Finding the Fourth Proportional to 724,299.26, 999,525.69 and 402,001.07

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Solution

The fourth proportional to 724,299.26, 999,525.69 and 402,001.07 is: 554,757.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,299.26 : 999,525.69 = 402,001.07 : x
  2. Step 2: Convert to fraction form
    724,299.26/999,525.69 = 402,001.07/x
  3. Step 3: Cross multiply
    724,299.26x = 999,525.69 × 402,001.07
  4. Step 4: Simplify right side
    724,299.26x = 401,810,391,874.86
  5. Step 5: Solve for x
    x = 401,810,391,874.86/724,299.26
  6. Step 6: Final answer
    x = 554,757.43

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1.5x scale

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.