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Finding the Fourth Proportional to 637,064.89, 879,149.68 and 350,584.98

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Solution

The fourth proportional to 637,064.89, 879,149.68 and 350,584.98 is: 483,807.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,064.89 : 879,149.68 = 350,584.98 : x
  2. Step 2: Convert to fraction form
    637,064.89/879,149.68 = 350,584.98/x
  3. Step 3: Cross multiply
    637,064.89x = 879,149.68 × 350,584.98
  4. Step 4: Simplify right side
    637,064.89x = 308,216,668,477.86
  5. Step 5: Solve for x
    x = 308,216,668,477.86/637,064.89
  6. Step 6: Final answer
    x = 483,807.34

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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.