Home / 762,281.10-1,143,545.97-312,881.34

Finding the Fourth Proportional to 762,281.10, 1,143,545.97 and 312,881.34

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Solution

The fourth proportional to 762,281.10, 1,143,545.97 and 312,881.34 is: 469,373.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,281.10 : 1,143,545.97 = 312,881.34 : x
  2. Step 2: Convert to fraction form
    762,281.10/1,143,545.97 = 312,881.34/x
  3. Step 3: Cross multiply
    762,281.10x = 1,143,545.97 × 312,881.34
  4. Step 4: Simplify right side
    762,281.10x = 357,794,195,445.20
  5. Step 5: Solve for x
    x = 357,794,195,445.20/762,281.10
  6. Step 6: Final answer
    x = 469,373.04

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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.