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Finding the Fourth Proportional to 602,073.49, 830,180.39 and 383,990.46

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Solution

The fourth proportional to 602,073.49, 830,180.39 and 383,990.46 is: 529,472.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,073.49 : 830,180.39 = 383,990.46 : x
  2. Step 2: Convert to fraction form
    602,073.49/830,180.39 = 383,990.46/x
  3. Step 3: Cross multiply
    602,073.49x = 830,180.39 × 383,990.46
  4. Step 4: Simplify right side
    602,073.49x = 318,781,347,919.13
  5. Step 5: Solve for x
    x = 318,781,347,919.13/602,073.49
  6. Step 6: Final answer
    x = 529,472.49

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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.