Home / 880,377.46-1,319,383.59-480,418.90

Finding the Fourth Proportional to 880,377.46, 1,319,383.59 and 480,418.90

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Solution

The fourth proportional to 880,377.46, 1,319,383.59 and 480,418.90 is: 719,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,377.46 : 1,319,383.59 = 480,418.90 : x
  2. Step 2: Convert to fraction form
    880,377.46/1,319,383.59 = 480,418.90/x
  3. Step 3: Cross multiply
    880,377.46x = 1,319,383.59 × 480,418.90
  4. Step 4: Simplify right side
    880,377.46x = 633,856,812,985.85
  5. Step 5: Solve for x
    x = 633,856,812,985.85/880,377.46
  6. Step 6: Final answer
    x = 719,983.01

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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.