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Finding the Fourth Proportional to 803,343, 1,108,624.24 and 440,760.26

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Solution

The fourth proportional to 803,343, 1,108,624.24 and 440,760.26 is: 608,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,343 : 1,108,624.24 = 440,760.26 : x
  2. Step 2: Convert to fraction form
    803,343/1,108,624.24 = 440,760.26/x
  3. Step 3: Cross multiply
    803,343x = 1,108,624.24 × 440,760.26
  4. Step 4: Simplify right side
    803,343x = 488,637,508,264.70
  5. Step 5: Solve for x
    x = 488,637,508,264.70/803,343
  6. Step 6: Final answer
    x = 608,255.14

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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.