Home / 753,422.70-1,130,134.05-501,042.90

Finding the Fourth Proportional to 753,422.70, 1,130,134.05 and 501,042.90

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Solution

The fourth proportional to 753,422.70, 1,130,134.05 and 501,042.90 is: 751,564.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,422.70 : 1,130,134.05 = 501,042.90 : x
  2. Step 2: Convert to fraction form
    753,422.70/1,130,134.05 = 501,042.90/x
  3. Step 3: Cross multiply
    753,422.70x = 1,130,134.05 × 501,042.90
  4. Step 4: Simplify right side
    753,422.70x = 566,245,641,800.75
  5. Step 5: Solve for x
    x = 566,245,641,800.75/753,422.70
  6. Step 6: Final answer
    x = 751,564.35

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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.