Home / 724,292.97-999,516.96-402,005.85

Finding the Fourth Proportional to 724,292.97, 999,516.96 and 402,005.85

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Solution

The fourth proportional to 724,292.97, 999,516.96 and 402,005.85 is: 554,764.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,292.97 : 999,516.96 = 402,005.85 : x
  2. Step 2: Convert to fraction form
    724,292.97/999,516.96 = 402,005.85/x
  3. Step 3: Cross multiply
    724,292.97x = 999,516.96 × 402,005.85
  4. Step 4: Simplify right side
    724,292.97x = 401,811,665,094.22
  5. Step 5: Solve for x
    x = 401,811,665,094.22/724,292.97
  6. Step 6: Final answer
    x = 554,764.00

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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.