Home / 713,408.40-1,070,223.36-240,056.88

Finding the Fourth Proportional to 713,408.40, 1,070,223.36 and 240,056.88

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Solution

The fourth proportional to 713,408.40, 1,070,223.36 and 240,056.88 is: 360,122.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,408.40 : 1,070,223.36 = 240,056.88 : x
  2. Step 2: Convert to fraction form
    713,408.40/1,070,223.36 = 240,056.88/x
  3. Step 3: Cross multiply
    713,408.40x = 1,070,223.36 × 240,056.88
  4. Step 4: Simplify right side
    713,408.40x = 256,914,480,704.72
  5. Step 5: Solve for x
    x = 256,914,480,704.72/713,408.40
  6. Step 6: Final answer
    x = 360,122.59

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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.