Home / 742,082.52-1,024,074.24-419,785.80

Finding the Fourth Proportional to 742,082.52, 1,024,074.24 and 419,785.80

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Solution

The fourth proportional to 742,082.52, 1,024,074.24 and 419,785.80 is: 579,304.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,082.52 : 1,024,074.24 = 419,785.80 : x
  2. Step 2: Convert to fraction form
    742,082.52/1,024,074.24 = 419,785.80/x
  3. Step 3: Cross multiply
    742,082.52x = 1,024,074.24 × 419,785.80
  4. Step 4: Simplify right side
    742,082.52x = 429,891,824,097.79
  5. Step 5: Solve for x
    x = 429,891,824,097.79/742,082.52
  6. Step 6: Final answer
    x = 579,304.61

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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.