Home / 856,890.28-1,182,425.88-474,909.40

Finding the Fourth Proportional to 856,890.28, 1,182,425.88 and 474,909.40

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Solution

The fourth proportional to 856,890.28, 1,182,425.88 and 474,909.40 is: 655,329.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,890.28 : 1,182,425.88 = 474,909.40 : x
  2. Step 2: Convert to fraction form
    856,890.28/1,182,425.88 = 474,909.40/x
  3. Step 3: Cross multiply
    856,890.28x = 1,182,425.88 × 474,909.40
  4. Step 4: Simplify right side
    856,890.28x = 561,545,165,215.27
  5. Step 5: Solve for x
    x = 561,545,165,215.27/856,890.28
  6. Step 6: Final answer
    x = 655,329.13

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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.