Home / 756,092.80-1,134,139.20-504,150.40

Finding the Fourth Proportional to 756,092.80, 1,134,139.20 and 504,150.40

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Solution

The fourth proportional to 756,092.80, 1,134,139.20 and 504,150.40 is: 756,225.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,092.80 : 1,134,139.20 = 504,150.40 : x
  2. Step 2: Convert to fraction form
    756,092.80/1,134,139.20 = 504,150.40/x
  3. Step 3: Cross multiply
    756,092.80x = 1,134,139.20 × 504,150.40
  4. Step 4: Simplify right side
    756,092.80x = 571,776,731,335.68
  5. Step 5: Solve for x
    x = 571,776,731,335.68/756,092.80
  6. Step 6: Final answer
    x = 756,225.60

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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.