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Finding the Fourth Proportional to 803,366.16, 1,108,607.88 and 440,781.84

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Solution

The fourth proportional to 803,366.16, 1,108,607.88 and 440,781.84 is: 608,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,366.16 : 1,108,607.88 = 440,781.84 : x
  2. Step 2: Convert to fraction form
    803,366.16/1,108,607.88 = 440,781.84/x
  3. Step 3: Cross multiply
    803,366.16x = 1,108,607.88 × 440,781.84
  4. Step 4: Simplify right side
    803,366.16x = 488,654,221,184.90
  5. Step 5: Solve for x
    x = 488,654,221,184.90/803,366.16
  6. Step 6: Final answer
    x = 608,258.41

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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.