Home / 891,595.40-1,230,377.64-542,604.92

Finding the Fourth Proportional to 891,595.40, 1,230,377.64 and 542,604.92

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Solution

The fourth proportional to 891,595.40, 1,230,377.64 and 542,604.92 is: 748,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,595.40 : 1,230,377.64 = 542,604.92 : x
  2. Step 2: Convert to fraction form
    891,595.40/1,230,377.64 = 542,604.92/x
  3. Step 3: Cross multiply
    891,595.40x = 1,230,377.64 × 542,604.92
  4. Step 4: Simplify right side
    891,595.40x = 667,608,960,921.99
  5. Step 5: Solve for x
    x = 667,608,960,921.99/891,595.40
  6. Step 6: Final answer
    x = 748,780.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.