Home / 753,375.90-1,130,246.10-220,914.30

Finding the Fourth Proportional to 753,375.90, 1,130,246.10 and 220,914.30

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Solution

The fourth proportional to 753,375.90, 1,130,246.10 and 220,914.30 is: 331,424.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,375.90 : 1,130,246.10 = 220,914.30 : x
  2. Step 2: Convert to fraction form
    753,375.90/1,130,246.10 = 220,914.30/x
  3. Step 3: Cross multiply
    753,375.90x = 1,130,246.10 × 220,914.30
  4. Step 4: Simplify right side
    753,375.90x = 249,687,526,009.23
  5. Step 5: Solve for x
    x = 249,687,526,009.23/753,375.90
  6. Step 6: Final answer
    x = 331,424.89

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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.