Home / 647,867.76-971,810.28-227,155.92

Finding the Fourth Proportional to 647,867.76, 971,810.28 and 227,155.92

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Solution

The fourth proportional to 647,867.76, 971,810.28 and 227,155.92 is: 340,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,867.76 : 971,810.28 = 227,155.92 : x
  2. Step 2: Convert to fraction form
    647,867.76/971,810.28 = 227,155.92/x
  3. Step 3: Cross multiply
    647,867.76x = 971,810.28 × 227,155.92
  4. Step 4: Simplify right side
    647,867.76x = 220,752,458,218.86
  5. Step 5: Solve for x
    x = 220,752,458,218.86/647,867.76
  6. Step 6: Final answer
    x = 340,736.91

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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.