Home / 803,204.82-1,108,437.24-440,647.20

Finding the Fourth Proportional to 803,204.82, 1,108,437.24 and 440,647.20

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Solution

The fourth proportional to 803,204.82, 1,108,437.24 and 440,647.20 is: 608,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,204.82 : 1,108,437.24 = 440,647.20 : x
  2. Step 2: Convert to fraction form
    803,204.82/1,108,437.24 = 440,647.20/x
  3. Step 3: Cross multiply
    803,204.82x = 1,108,437.24 × 440,647.20
  4. Step 4: Simplify right side
    803,204.82x = 488,429,766,181.73
  5. Step 5: Solve for x
    x = 488,429,766,181.73/803,204.82
  6. Step 6: Final answer
    x = 608,101.14

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.