Home / 748,881.35-1,123,322.03-216,456.20

Finding the Fourth Proportional to 748,881.35, 1,123,322.03 and 216,456.20

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Solution

The fourth proportional to 748,881.35, 1,123,322.03 and 216,456.20 is: 324,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,881.35 : 1,123,322.03 = 216,456.20 : x
  2. Step 2: Convert to fraction form
    748,881.35/1,123,322.03 = 216,456.20/x
  3. Step 3: Cross multiply
    748,881.35x = 1,123,322.03 × 216,456.20
  4. Step 4: Simplify right side
    748,881.35x = 243,150,016,907.81
  5. Step 5: Solve for x
    x = 243,150,016,907.81/748,881.35
  6. Step 6: Final answer
    x = 324,684.30

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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.