Home / 756,057.60-1,134,086.40-476,121.60

Finding the Fourth Proportional to 756,057.60, 1,134,086.40 and 476,121.60

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Solution

The fourth proportional to 756,057.60, 1,134,086.40 and 476,121.60 is: 714,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,057.60 : 1,134,086.40 = 476,121.60 : x
  2. Step 2: Convert to fraction form
    756,057.60/1,134,086.40 = 476,121.60/x
  3. Step 3: Cross multiply
    756,057.60x = 1,134,086.40 × 476,121.60
  4. Step 4: Simplify right side
    756,057.60x = 539,963,031,306.24
  5. Step 5: Solve for x
    x = 539,963,031,306.24/756,057.60
  6. Step 6: Final answer
    x = 714,182.40

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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.