Home / 849,445.76-1,274,168.56-218,360.16

Finding the Fourth Proportional to 849,445.76, 1,274,168.56 and 218,360.16

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Solution

The fourth proportional to 849,445.76, 1,274,168.56 and 218,360.16 is: 327,540.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,445.76 : 1,274,168.56 = 218,360.16 : x
  2. Step 2: Convert to fraction form
    849,445.76/1,274,168.56 = 218,360.16/x
  3. Step 3: Cross multiply
    849,445.76x = 1,274,168.56 × 218,360.16
  4. Step 4: Simplify right side
    849,445.76x = 278,227,650,628.57
  5. Step 5: Solve for x
    x = 278,227,650,628.57/849,445.76
  6. Step 6: Final answer
    x = 327,540.22

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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.