Home / 891,549.45-1,337,277.20-292,431.74

Finding the Fourth Proportional to 891,549.45, 1,337,277.20 and 292,431.74

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Solution

The fourth proportional to 891,549.45, 1,337,277.20 and 292,431.74 is: 438,632.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,549.45 : 1,337,277.20 = 292,431.74 : x
  2. Step 2: Convert to fraction form
    891,549.45/1,337,277.20 = 292,431.74/x
  3. Step 3: Cross multiply
    891,549.45x = 1,337,277.20 × 292,431.74
  4. Step 4: Simplify right side
    891,549.45x = 391,062,290,309.78
  5. Step 5: Solve for x
    x = 391,062,290,309.78/891,549.45
  6. Step 6: Final answer
    x = 438,632.19

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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.