Home / 724,950.79-1,000,404.24-402,681.44

Finding the Fourth Proportional to 724,950.79, 1,000,404.24 and 402,681.44

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Solution

The fourth proportional to 724,950.79, 1,000,404.24 and 402,681.44 is: 555,684.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,950.79 : 1,000,404.24 = 402,681.44 : x
  2. Step 2: Convert to fraction form
    724,950.79/1,000,404.24 = 402,681.44/x
  3. Step 3: Cross multiply
    724,950.79x = 1,000,404.24 × 402,681.44
  4. Step 4: Simplify right side
    724,950.79x = 402,844,219,945.31
  5. Step 5: Solve for x
    x = 402,844,219,945.31/724,950.79
  6. Step 6: Final answer
    x = 555,684.92

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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.