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Finding the Fourth Proportional to 482,890.40, 724,335.60 and 383,357.60

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Solution

The fourth proportional to 482,890.40, 724,335.60 and 383,357.60 is: 575,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,890.40 : 724,335.60 = 383,357.60 : x
  2. Step 2: Convert to fraction form
    482,890.40/724,335.60 = 383,357.60/x
  3. Step 3: Cross multiply
    482,890.40x = 724,335.60 × 383,357.60
  4. Step 4: Simplify right side
    482,890.40x = 277,679,557,210.56
  5. Step 5: Solve for x
    x = 277,679,557,210.56/482,890.40
  6. Step 6: Final answer
    x = 575,036.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.