Home / 948,251.28-1,308,574.02-540,377.40

Finding the Fourth Proportional to 948,251.28, 1,308,574.02 and 540,377.40

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Solution

The fourth proportional to 948,251.28, 1,308,574.02 and 540,377.40 is: 745,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,251.28 : 1,308,574.02 = 540,377.40 : x
  2. Step 2: Convert to fraction form
    948,251.28/1,308,574.02 = 540,377.40/x
  3. Step 3: Cross multiply
    948,251.28x = 1,308,574.02 × 540,377.40
  4. Step 4: Simplify right side
    948,251.28x = 707,123,826,635.15
  5. Step 5: Solve for x
    x = 707,123,826,635.15/948,251.28
  6. Step 6: Final answer
    x = 745,713.55

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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.