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Finding the Fourth Proportional to 637,201.62, 879,331.37 and 350,715.51

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Solution

The fourth proportional to 637,201.62, 879,331.37 and 350,715.51 is: 483,983.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,201.62 : 879,331.37 = 350,715.51 : x
  2. Step 2: Convert to fraction form
    637,201.62/879,331.37 = 350,715.51/x
  3. Step 3: Cross multiply
    637,201.62x = 879,331.37 × 350,715.51
  4. Step 4: Simplify right side
    637,201.62x = 308,395,148,134.97
  5. Step 5: Solve for x
    x = 308,395,148,134.97/637,201.62
  6. Step 6: Final answer
    x = 483,983.62

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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.