Home / 803,759.10-1,205,200.65-242,720.70

Finding the Fourth Proportional to 803,759.10, 1,205,200.65 and 242,720.70

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Solution

The fourth proportional to 803,759.10, 1,205,200.65 and 242,720.70 is: 363,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,759.10 : 1,205,200.65 = 242,720.70 : x
  2. Step 2: Convert to fraction form
    803,759.10/1,205,200.65 = 242,720.70/x
  3. Step 3: Cross multiply
    803,759.10x = 1,205,200.65 × 242,720.70
  4. Step 4: Simplify right side
    803,759.10x = 292,527,145,408.46
  5. Step 5: Solve for x
    x = 292,527,145,408.46/803,759.10
  6. Step 6: Final answer
    x = 363,948.78

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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.