Home / 891,720.29-1,337,299.43-292,541.83

Finding the Fourth Proportional to 891,720.29, 1,337,299.43 and 292,541.83

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Solution

The fourth proportional to 891,720.29, 1,337,299.43 and 292,541.83 is: 438,720.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,720.29 : 1,337,299.43 = 292,541.83 : x
  2. Step 2: Convert to fraction form
    891,720.29/1,337,299.43 = 292,541.83/x
  3. Step 3: Cross multiply
    891,720.29x = 1,337,299.43 × 292,541.83
  4. Step 4: Simplify right side
    891,720.29x = 391,216,017,704.20
  5. Step 5: Solve for x
    x = 391,216,017,704.20/891,720.29
  6. Step 6: Final answer
    x = 438,720.55

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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.