Home / 803,520.73-1,108,872.22-440,978.32

Finding the Fourth Proportional to 803,520.73, 1,108,872.22 and 440,978.32

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Solution

The fourth proportional to 803,520.73, 1,108,872.22 and 440,978.32 is: 608,557.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,520.73 : 1,108,872.22 = 440,978.32 : x
  2. Step 2: Convert to fraction form
    803,520.73/1,108,872.22 = 440,978.32/x
  3. Step 3: Cross multiply
    803,520.73x = 1,108,872.22 × 440,978.32
  4. Step 4: Simplify right side
    803,520.73x = 488,988,609,780.75
  5. Step 5: Solve for x
    x = 488,988,609,780.75/803,520.73
  6. Step 6: Final answer
    x = 608,557.55

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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.