Home / 858,756.20-1,288,134.30-504,462.20

Finding the Fourth Proportional to 858,756.20, 1,288,134.30 and 504,462.20

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Solution

The fourth proportional to 858,756.20, 1,288,134.30 and 504,462.20 is: 756,693.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,756.20 : 1,288,134.30 = 504,462.20 : x
  2. Step 2: Convert to fraction form
    858,756.20/1,288,134.30 = 504,462.20/x
  3. Step 3: Cross multiply
    858,756.20x = 1,288,134.30 × 504,462.20
  4. Step 4: Simplify right side
    858,756.20x = 649,815,062,873.46
  5. Step 5: Solve for x
    x = 649,815,062,873.46/858,756.20
  6. Step 6: Final answer
    x = 756,693.30

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Half scale
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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.