Home / 803,717.60-1,205,138.40-242,679.20

Finding the Fourth Proportional to 803,717.60, 1,205,138.40 and 242,679.20

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Solution

The fourth proportional to 803,717.60, 1,205,138.40 and 242,679.20 is: 363,886.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,717.60 : 1,205,138.40 = 242,679.20 : x
  2. Step 2: Convert to fraction form
    803,717.60/1,205,138.40 = 242,679.20/x
  3. Step 3: Cross multiply
    803,717.60x = 1,205,138.40 × 242,679.20
  4. Step 4: Simplify right side
    803,717.60x = 292,462,022,801.28
  5. Step 5: Solve for x
    x = 292,462,022,801.28/803,717.60
  6. Step 6: Final answer
    x = 363,886.55

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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.