Home / 637,463.75-879,682.56-350,985.38

Finding the Fourth Proportional to 637,463.75, 879,682.56 and 350,985.38

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Solution

The fourth proportional to 637,463.75, 879,682.56 and 350,985.38 is: 484,350.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,463.75 : 879,682.56 = 350,985.38 : x
  2. Step 2: Convert to fraction form
    637,463.75/879,682.56 = 350,985.38/x
  3. Step 3: Cross multiply
    637,463.75x = 879,682.56 × 350,985.38
  4. Step 4: Simplify right side
    637,463.75x = 308,755,717,600.97
  5. Step 5: Solve for x
    x = 308,755,717,600.97/637,463.75
  6. Step 6: Final answer
    x = 484,350.24

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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.