Home / 485,584.28-670,109.11-270,737.72

Finding the Fourth Proportional to 485,584.28, 670,109.11 and 270,737.72

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Solution

The fourth proportional to 485,584.28, 670,109.11 and 270,737.72 is: 373,619.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,584.28 : 670,109.11 = 270,737.72 : x
  2. Step 2: Convert to fraction form
    485,584.28/670,109.11 = 270,737.72/x
  3. Step 3: Cross multiply
    485,584.28x = 670,109.11 × 270,737.72
  4. Step 4: Simplify right side
    485,584.28x = 181,423,812,592.63
  5. Step 5: Solve for x
    x = 181,423,812,592.63/485,584.28
  6. Step 6: Final answer
    x = 373,619.62

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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.