Home / 983,695.20-1,475,251.20-384,311.40

Finding the Fourth Proportional to 983,695.20, 1,475,251.20 and 384,311.40

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Solution

The fourth proportional to 983,695.20, 1,475,251.20 and 384,311.40 is: 576,353.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,695.20 : 1,475,251.20 = 384,311.40 : x
  2. Step 2: Convert to fraction form
    983,695.20/1,475,251.20 = 384,311.40/x
  3. Step 3: Cross multiply
    983,695.20x = 1,475,251.20 × 384,311.40
  4. Step 4: Simplify right side
    983,695.20x = 566,955,854,023.68
  5. Step 5: Solve for x
    x = 566,955,854,023.68/983,695.20
  6. Step 6: Final answer
    x = 576,353.18

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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.