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Finding the Fourth Proportional to 499,996.44, 750,101.28 and 286,862.28

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Solution

The fourth proportional to 499,996.44, 750,101.28 and 286,862.28 is: 430,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,996.44 : 750,101.28 = 286,862.28 : x
  2. Step 2: Convert to fraction form
    499,996.44/750,101.28 = 286,862.28/x
  3. Step 3: Cross multiply
    499,996.44x = 750,101.28 × 286,862.28
  4. Step 4: Simplify right side
    499,996.44x = 215,175,763,411.72
  5. Step 5: Solve for x
    x = 215,175,763,411.72/499,996.44
  6. Step 6: Final answer
    x = 430,354.59

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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.