Home / 724,971.24-1,000,432.49-402,701.94

Finding the Fourth Proportional to 724,971.24, 1,000,432.49 and 402,701.94

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Solution

The fourth proportional to 724,971.24, 1,000,432.49 and 402,701.94 is: 555,713.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,971.24 : 1,000,432.49 = 402,701.94 : x
  2. Step 2: Convert to fraction form
    724,971.24/1,000,432.49 = 402,701.94/x
  3. Step 3: Cross multiply
    724,971.24x = 1,000,432.49 × 402,701.94
  4. Step 4: Simplify right side
    724,971.24x = 402,876,102,548.52
  5. Step 5: Solve for x
    x = 402,876,102,548.52/724,971.24
  6. Step 6: Final answer
    x = 555,713.22

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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.