Home / 708,974.30-1,063,461.45-520,046.30

Finding the Fourth Proportional to 708,974.30, 1,063,461.45 and 520,046.30

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Solution

The fourth proportional to 708,974.30, 1,063,461.45 and 520,046.30 is: 780,069.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,974.30 : 1,063,461.45 = 520,046.30 : x
  2. Step 2: Convert to fraction form
    708,974.30/1,063,461.45 = 520,046.30/x
  3. Step 3: Cross multiply
    708,974.30x = 1,063,461.45 × 520,046.30
  4. Step 4: Simplify right side
    708,974.30x = 553,049,192,265.14
  5. Step 5: Solve for x
    x = 553,049,192,265.14/708,974.30
  6. Step 6: Final answer
    x = 780,069.45

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Double scale
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Similar ratio
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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.