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Finding the Fourth Proportional to 637,134.58, 879,251.93 and 350,661.28

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Solution

The fourth proportional to 637,134.58, 879,251.93 and 350,661.28 is: 483,915.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,134.58 : 879,251.93 = 350,661.28 : x
  2. Step 2: Convert to fraction form
    637,134.58/879,251.93 = 350,661.28/x
  3. Step 3: Cross multiply
    637,134.58x = 879,251.93 × 350,661.28
  4. Step 4: Simplify right side
    637,134.58x = 308,319,603,696.66
  5. Step 5: Solve for x
    x = 308,319,603,696.66/637,134.58
  6. Step 6: Final answer
    x = 483,915.98

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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.