Home / 914,759.42-1,372,014.56-240,784.28

Finding the Fourth Proportional to 914,759.42, 1,372,014.56 and 240,784.28

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Solution

The fourth proportional to 914,759.42, 1,372,014.56 and 240,784.28 is: 361,143.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,759.42 : 1,372,014.56 = 240,784.28 : x
  2. Step 2: Convert to fraction form
    914,759.42/1,372,014.56 = 240,784.28/x
  3. Step 3: Cross multiply
    914,759.42x = 1,372,014.56 × 240,784.28
  4. Step 4: Simplify right side
    914,759.42x = 330,359,529,915.12
  5. Step 5: Solve for x
    x = 330,359,529,915.12/914,759.42
  6. Step 6: Final answer
    x = 361,143.62

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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.