Home / 464,047.20-696,070.80-215,215.20

Finding the Fourth Proportional to 464,047.20, 696,070.80 and 215,215.20

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Solution

The fourth proportional to 464,047.20, 696,070.80 and 215,215.20 is: 322,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,047.20 : 696,070.80 = 215,215.20 : x
  2. Step 2: Convert to fraction form
    464,047.20/696,070.80 = 215,215.20/x
  3. Step 3: Cross multiply
    464,047.20x = 696,070.80 × 215,215.20
  4. Step 4: Simplify right side
    464,047.20x = 149,805,016,436.16
  5. Step 5: Solve for x
    x = 149,805,016,436.16/464,047.20
  6. Step 6: Final answer
    x = 322,822.80

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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.