Home / 554,024.30-831,036.45-459,545.90

Finding the Fourth Proportional to 554,024.30, 831,036.45 and 459,545.90

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Solution

The fourth proportional to 554,024.30, 831,036.45 and 459,545.90 is: 689,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,024.30 : 831,036.45 = 459,545.90 : x
  2. Step 2: Convert to fraction form
    554,024.30/831,036.45 = 459,545.90/x
  3. Step 3: Cross multiply
    554,024.30x = 831,036.45 × 459,545.90
  4. Step 4: Simplify right side
    554,024.30x = 381,899,393,348.06
  5. Step 5: Solve for x
    x = 381,899,393,348.06/554,024.30
  6. Step 6: Final answer
    x = 689,318.85

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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.