Home / 714,606.75-1,071,910.14-215,970.75

Finding the Fourth Proportional to 714,606.75, 1,071,910.14 and 215,970.75

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Solution

The fourth proportional to 714,606.75, 1,071,910.14 and 215,970.75 is: 323,956.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,606.75 : 1,071,910.14 = 215,970.75 : x
  2. Step 2: Convert to fraction form
    714,606.75/1,071,910.14 = 215,970.75/x
  3. Step 3: Cross multiply
    714,606.75x = 1,071,910.14 × 215,970.75
  4. Step 4: Simplify right side
    714,606.75x = 231,501,236,868.41
  5. Step 5: Solve for x
    x = 231,501,236,868.41/714,606.75
  6. Step 6: Final answer
    x = 323,956.13

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Double scale
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Similar ratio
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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.