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Finding the Fourth Proportional to 637,876.01, 880,080.57 and 379,545.90

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Solution

The fourth proportional to 637,876.01, 880,080.57 and 379,545.90 is: 523,661.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,876.01 : 880,080.57 = 379,545.90 : x
  2. Step 2: Convert to fraction form
    637,876.01/880,080.57 = 379,545.90/x
  3. Step 3: Cross multiply
    637,876.01x = 880,080.57 × 379,545.90
  4. Step 4: Simplify right side
    637,876.01x = 334,030,972,013.16
  5. Step 5: Solve for x
    x = 334,030,972,013.16/637,876.01
  6. Step 6: Final answer
    x = 523,661.29

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1.5x scale

Why These Related Problems?

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