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Finding the Fourth Proportional to 637,201.87, 879,331.71 and 350,715.76

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Solution

The fourth proportional to 637,201.87, 879,331.71 and 350,715.76 is: 483,983.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,201.87 : 879,331.71 = 350,715.76 : x
  2. Step 2: Convert to fraction form
    637,201.87/879,331.71 = 350,715.76/x
  3. Step 3: Cross multiply
    637,201.87x = 879,331.71 × 350,715.76
  4. Step 4: Simplify right side
    637,201.87x = 308,395,488,964.75
  5. Step 5: Solve for x
    x = 308,395,488,964.75/637,201.87
  6. Step 6: Final answer
    x = 483,983.97

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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.