Home / 914,010.80-1,371,016.20-240,047.60

Finding the Fourth Proportional to 914,010.80, 1,371,016.20 and 240,047.60

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Solution

The fourth proportional to 914,010.80, 1,371,016.20 and 240,047.60 is: 360,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,010.80 : 1,371,016.20 = 240,047.60 : x
  2. Step 2: Convert to fraction form
    914,010.80/1,371,016.20 = 240,047.60/x
  3. Step 3: Cross multiply
    914,010.80x = 1,371,016.20 × 240,047.60
  4. Step 4: Simplify right side
    914,010.80x = 329,109,148,371.12
  5. Step 5: Solve for x
    x = 329,109,148,371.12/914,010.80
  6. Step 6: Final answer
    x = 360,071.40

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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.