Home / 723,539.46-1,085,359.95-218,104.62

Finding the Fourth Proportional to 723,539.46, 1,085,359.95 and 218,104.62

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Solution

The fourth proportional to 723,539.46, 1,085,359.95 and 218,104.62 is: 327,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,539.46 : 1,085,359.95 = 218,104.62 : x
  2. Step 2: Convert to fraction form
    723,539.46/1,085,359.95 = 218,104.62/x
  3. Step 3: Cross multiply
    723,539.46x = 1,085,359.95 × 218,104.62
  4. Step 4: Simplify right side
    723,539.46x = 236,722,019,457.97
  5. Step 5: Solve for x
    x = 236,722,019,457.97/723,539.46
  6. Step 6: Final answer
    x = 327,172.23

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Double scale
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1.5x scale

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.