Home / 687,461.01-1,031,251.50-282,677.83

Finding the Fourth Proportional to 687,461.01, 1,031,251.50 and 282,677.83

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Solution

The fourth proportional to 687,461.01, 1,031,251.50 and 282,677.83 is: 424,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,461.01 : 1,031,251.50 = 282,677.83 : x
  2. Step 2: Convert to fraction form
    687,461.01/1,031,251.50 = 282,677.83/x
  3. Step 3: Cross multiply
    687,461.01x = 1,031,251.50 × 282,677.83
  4. Step 4: Simplify right side
    687,461.01x = 291,511,939,426.91
  5. Step 5: Solve for x
    x = 291,511,939,426.91/687,461.01
  6. Step 6: Final answer
    x = 424,041.42

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1.5x scale

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.