Home / 687,462.01-1,031,253-282,678.83

Finding the Fourth Proportional to 687,462.01, 1,031,253 and 282,678.83

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Solution

The fourth proportional to 687,462.01, 1,031,253 and 282,678.83 is: 424,042.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,462.01 : 1,031,253 = 282,678.83 : x
  2. Step 2: Convert to fraction form
    687,462.01/1,031,253 = 282,678.83/x
  3. Step 3: Cross multiply
    687,462.01x = 1,031,253 × 282,678.83
  4. Step 4: Simplify right side
    687,462.01x = 291,513,391,473.99
  5. Step 5: Solve for x
    x = 291,513,391,473.99/687,462.01
  6. Step 6: Final answer
    x = 424,042.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.