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Finding the Fourth Proportional to 983,446, 1,475,422.50 and 534,051.52

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Solution

The fourth proportional to 983,446, 1,475,422.50 and 534,051.52 is: 801,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,446 : 1,475,422.50 = 534,051.52 : x
  2. Step 2: Convert to fraction form
    983,446/1,475,422.50 = 534,051.52/x
  3. Step 3: Cross multiply
    983,446x = 1,475,422.50 × 534,051.52
  4. Step 4: Simplify right side
    983,446x = 787,951,628,767.20
  5. Step 5: Solve for x
    x = 787,951,628,767.20/983,446
  6. Step 6: Final answer
    x = 801,214.94

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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.