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Finding the Fourth Proportional to 712,254.96, 982,874.52 and 389,903.34

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Solution

The fourth proportional to 712,254.96, 982,874.52 and 389,903.34 is: 538,046.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,254.96 : 982,874.52 = 389,903.34 : x
  2. Step 2: Convert to fraction form
    712,254.96/982,874.52 = 389,903.34/x
  3. Step 3: Cross multiply
    712,254.96x = 982,874.52 × 389,903.34
  4. Step 4: Simplify right side
    712,254.96x = 383,226,058,148.90
  5. Step 5: Solve for x
    x = 383,226,058,148.90/712,254.96
  6. Step 6: Final answer
    x = 538,046.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.