Home / 347,834.40-522,385.20-304,288.80

Finding the Fourth Proportional to 347,834.40, 522,385.20 and 304,288.80

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Solution

The fourth proportional to 347,834.40, 522,385.20 and 304,288.80 is: 456,987.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,834.40 : 522,385.20 = 304,288.80 : x
  2. Step 2: Convert to fraction form
    347,834.40/522,385.20 = 304,288.80/x
  3. Step 3: Cross multiply
    347,834.40x = 522,385.20 × 304,288.80
  4. Step 4: Simplify right side
    347,834.40x = 158,955,965,645.76
  5. Step 5: Solve for x
    x = 158,955,965,645.76/347,834.40
  6. Step 6: Final answer
    x = 456,987.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.