Home / 724,927.43-1,000,372.01-402,658.07

Finding the Fourth Proportional to 724,927.43, 1,000,372.01 and 402,658.07

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Solution

The fourth proportional to 724,927.43, 1,000,372.01 and 402,658.07 is: 555,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,927.43 : 1,000,372.01 = 402,658.07 : x
  2. Step 2: Convert to fraction form
    724,927.43/1,000,372.01 = 402,658.07/x
  3. Step 3: Cross multiply
    724,927.43x = 1,000,372.01 × 402,658.07
  4. Step 4: Simplify right side
    724,927.43x = 402,807,855,813.47
  5. Step 5: Solve for x
    x = 402,807,855,813.47/724,927.43
  6. Step 6: Final answer
    x = 555,652.66

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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.