Home / 742,759.66-1,114,299.33-230,414.59

Finding the Fourth Proportional to 742,759.66, 1,114,299.33 and 230,414.59

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Solution

The fourth proportional to 742,759.66, 1,114,299.33 and 230,414.59 is: 345,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,759.66 : 1,114,299.33 = 230,414.59 : x
  2. Step 2: Convert to fraction form
    742,759.66/1,114,299.33 = 230,414.59/x
  3. Step 3: Cross multiply
    742,759.66x = 1,114,299.33 × 230,414.59
  4. Step 4: Simplify right side
    742,759.66x = 256,750,825,084.13
  5. Step 5: Solve for x
    x = 256,750,825,084.13/742,759.66
  6. Step 6: Final answer
    x = 345,671.47

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Double scale
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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.