Home / 742,064.49-1,024,049.34-419,767.83

Finding the Fourth Proportional to 742,064.49, 1,024,049.34 and 419,767.83

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Solution

The fourth proportional to 742,064.49, 1,024,049.34 and 419,767.83 is: 579,279.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,064.49 : 1,024,049.34 = 419,767.83 : x
  2. Step 2: Convert to fraction form
    742,064.49/1,024,049.34 = 419,767.83/x
  3. Step 3: Cross multiply
    742,064.49x = 1,024,049.34 × 419,767.83
  4. Step 4: Simplify right side
    742,064.49x = 429,862,969,264.73
  5. Step 5: Solve for x
    x = 429,862,969,264.73/742,064.49
  6. Step 6: Final answer
    x = 579,279.80

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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.