Home / 731,675.40-1,097,513.10-310,896.60

Finding the Fourth Proportional to 731,675.40, 1,097,513.10 and 310,896.60

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Solution

The fourth proportional to 731,675.40, 1,097,513.10 and 310,896.60 is: 466,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,675.40 : 1,097,513.10 = 310,896.60 : x
  2. Step 2: Convert to fraction form
    731,675.40/1,097,513.10 = 310,896.60/x
  3. Step 3: Cross multiply
    731,675.40x = 1,097,513.10 × 310,896.60
  4. Step 4: Simplify right side
    731,675.40x = 341,213,091,245.46
  5. Step 5: Solve for x
    x = 341,213,091,245.46/731,675.40
  6. Step 6: Final answer
    x = 466,344.90

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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.