Home / 803,258.49-1,204,890.56-204,219.71

Finding the Fourth Proportional to 803,258.49, 1,204,890.56 and 204,219.71

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Solution

The fourth proportional to 803,258.49, 1,204,890.56 and 204,219.71 is: 306,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,258.49 : 1,204,890.56 = 204,219.71 : x
  2. Step 2: Convert to fraction form
    803,258.49/1,204,890.56 = 204,219.71/x
  3. Step 3: Cross multiply
    803,258.49x = 1,204,890.56 × 204,219.71
  4. Step 4: Simplify right side
    803,258.49x = 246,062,393,699.39
  5. Step 5: Solve for x
    x = 246,062,393,699.39/803,258.49
  6. Step 6: Final answer
    x = 306,330.27

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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.