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Finding the Fourth Proportional to 637,296.66, 879,500.97 and 350,813.70

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Solution

The fourth proportional to 637,296.66, 879,500.97 and 350,813.70 is: 484,140.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,296.66 : 879,500.97 = 350,813.70 : x
  2. Step 2: Convert to fraction form
    637,296.66/879,500.97 = 350,813.70/x
  3. Step 3: Cross multiply
    637,296.66x = 879,500.97 × 350,813.70
  4. Step 4: Simplify right side
    637,296.66x = 308,540,989,439.29
  5. Step 5: Solve for x
    x = 308,540,989,439.29/637,296.66
  6. Step 6: Final answer
    x = 484,140.29

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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.