Home / 803,685.60-1,205,090.40-242,647.20

Finding the Fourth Proportional to 803,685.60, 1,205,090.40 and 242,647.20

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Solution

The fourth proportional to 803,685.60, 1,205,090.40 and 242,647.20 is: 363,838.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,685.60 : 1,205,090.40 = 242,647.20 : x
  2. Step 2: Convert to fraction form
    803,685.60/1,205,090.40 = 242,647.20/x
  3. Step 3: Cross multiply
    803,685.60x = 1,205,090.40 × 242,647.20
  4. Step 4: Simplify right side
    803,685.60x = 292,411,811,306.88
  5. Step 5: Solve for x
    x = 292,411,811,306.88/803,685.60
  6. Step 6: Final answer
    x = 363,838.56

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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.