Home / 912,042.97-1,368,120.87-304,885.92

Finding the Fourth Proportional to 912,042.97, 1,368,120.87 and 304,885.92

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Solution

The fourth proportional to 912,042.97, 1,368,120.87 and 304,885.92 is: 457,347.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,042.97 : 1,368,120.87 = 304,885.92 : x
  2. Step 2: Convert to fraction form
    912,042.97/1,368,120.87 = 304,885.92/x
  3. Step 3: Cross multiply
    912,042.97x = 1,368,120.87 × 304,885.92
  4. Step 4: Simplify right side
    912,042.97x = 417,120,784,565.58
  5. Step 5: Solve for x
    x = 417,120,784,565.58/912,042.97
  6. Step 6: Final answer
    x = 457,347.73

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1.5x scale

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.