Home / 731,627.40-1,097,441.10-310,848.60

Finding the Fourth Proportional to 731,627.40, 1,097,441.10 and 310,848.60

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Solution

The fourth proportional to 731,627.40, 1,097,441.10 and 310,848.60 is: 466,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,627.40 : 1,097,441.10 = 310,848.60 : x
  2. Step 2: Convert to fraction form
    731,627.40/1,097,441.10 = 310,848.60/x
  3. Step 3: Cross multiply
    731,627.40x = 1,097,441.10 × 310,848.60
  4. Step 4: Simplify right side
    731,627.40x = 341,138,029,517.46
  5. Step 5: Solve for x
    x = 341,138,029,517.46/731,627.40
  6. Step 6: Final answer
    x = 466,272.90

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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.