Home / 880,710.75-1,321,066.13-215,862.75

Finding the Fourth Proportional to 880,710.75, 1,321,066.13 and 215,862.75

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Solution

The fourth proportional to 880,710.75, 1,321,066.13 and 215,862.75 is: 323,794.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,710.75 : 1,321,066.13 = 215,862.75 : x
  2. Step 2: Convert to fraction form
    880,710.75/1,321,066.13 = 215,862.75/x
  3. Step 3: Cross multiply
    880,710.75x = 1,321,066.13 × 215,862.75
  4. Step 4: Simplify right side
    880,710.75x = 285,168,966,674.34
  5. Step 5: Solve for x
    x = 285,168,966,674.34/880,710.75
  6. Step 6: Final answer
    x = 323,794.13

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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.