Home / 849,443.76-1,274,165.56-218,358.16

Finding the Fourth Proportional to 849,443.76, 1,274,165.56 and 218,358.16

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Solution

The fourth proportional to 849,443.76, 1,274,165.56 and 218,358.16 is: 327,537.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,443.76 : 1,274,165.56 = 218,358.16 : x
  2. Step 2: Convert to fraction form
    849,443.76/1,274,165.56 = 218,358.16/x
  3. Step 3: Cross multiply
    849,443.76x = 1,274,165.56 × 218,358.16
  4. Step 4: Simplify right side
    849,443.76x = 278,224,447,216.97
  5. Step 5: Solve for x
    x = 278,224,447,216.97/849,443.76
  6. Step 6: Final answer
    x = 327,537.22

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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.