Home / 998,758.40-1,495,027.20-576,780.80

Finding the Fourth Proportional to 998,758.40, 1,495,027.20 and 576,780.80

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Solution

The fourth proportional to 998,758.40, 1,495,027.20 and 576,780.80 is: 863,374.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,758.40 : 1,495,027.20 = 576,780.80 : x
  2. Step 2: Convert to fraction form
    998,758.40/1,495,027.20 = 576,780.80/x
  3. Step 3: Cross multiply
    998,758.40x = 1,495,027.20 × 576,780.80
  4. Step 4: Simplify right side
    998,758.40x = 862,302,984,437.76
  5. Step 5: Solve for x
    x = 862,302,984,437.76/998,758.40
  6. Step 6: Final answer
    x = 863,374.95

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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.