Home / 891,720.16-1,337,299.24-292,541.70

Finding the Fourth Proportional to 891,720.16, 1,337,299.24 and 292,541.70

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Solution

The fourth proportional to 891,720.16, 1,337,299.24 and 292,541.70 is: 438,720.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,720.16 : 1,337,299.24 = 292,541.70 : x
  2. Step 2: Convert to fraction form
    891,720.16/1,337,299.24 = 292,541.70/x
  3. Step 3: Cross multiply
    891,720.16x = 1,337,299.24 × 292,541.70
  4. Step 4: Simplify right side
    891,720.16x = 391,215,793,078.31
  5. Step 5: Solve for x
    x = 391,215,793,078.31/891,720.16
  6. Step 6: Final answer
    x = 438,720.36

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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.