Home / 891,364.14-1,337,454.45-386,079.66

Finding the Fourth Proportional to 891,364.14, 1,337,454.45 and 386,079.66

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Solution

The fourth proportional to 891,364.14, 1,337,454.45 and 386,079.66 is: 579,296.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,364.14 : 1,337,454.45 = 386,079.66 : x
  2. Step 2: Convert to fraction form
    891,364.14/1,337,454.45 = 386,079.66/x
  3. Step 3: Cross multiply
    891,364.14x = 1,337,454.45 × 386,079.66
  4. Step 4: Simplify right side
    891,364.14x = 516,363,959,321.49
  5. Step 5: Solve for x
    x = 516,363,959,321.49/891,364.14
  6. Step 6: Final answer
    x = 579,296.31

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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.