Home / 753,517.12-1,039,854.54-409,353.28

Finding the Fourth Proportional to 753,517.12, 1,039,854.54 and 409,353.28

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Solution

The fourth proportional to 753,517.12, 1,039,854.54 and 409,353.28 is: 564,908.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,517.12 : 1,039,854.54 = 409,353.28 : x
  2. Step 2: Convert to fraction form
    753,517.12/1,039,854.54 = 409,353.28/x
  3. Step 3: Cross multiply
    753,517.12x = 1,039,854.54 × 409,353.28
  4. Step 4: Simplify right side
    753,517.12x = 425,667,866,671.89
  5. Step 5: Solve for x
    x = 425,667,866,671.89/753,517.12
  6. Step 6: Final answer
    x = 564,908.02

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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.