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Finding the Fourth Proportional to 554,382.40, 831,573.60 and 498,285.85

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Solution

The fourth proportional to 554,382.40, 831,573.60 and 498,285.85 is: 747,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,382.40 : 831,573.60 = 498,285.85 : x
  2. Step 2: Convert to fraction form
    554,382.40/831,573.60 = 498,285.85/x
  3. Step 3: Cross multiply
    554,382.40x = 831,573.60 × 498,285.85
  4. Step 4: Simplify right side
    554,382.40x = 414,361,358,113.56
  5. Step 5: Solve for x
    x = 414,361,358,113.56/554,382.40
  6. Step 6: Final answer
    x = 747,428.78

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Similar ratio
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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.