Home / 731,040.15-1,096,560.23-310,261.35

Finding the Fourth Proportional to 731,040.15, 1,096,560.23 and 310,261.35

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Solution

The fourth proportional to 731,040.15, 1,096,560.23 and 310,261.35 is: 465,392.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,040.15 : 1,096,560.23 = 310,261.35 : x
  2. Step 2: Convert to fraction form
    731,040.15/1,096,560.23 = 310,261.35/x
  3. Step 3: Cross multiply
    731,040.15x = 1,096,560.23 × 310,261.35
  4. Step 4: Simplify right side
    731,040.15x = 340,220,255,764.80
  5. Step 5: Solve for x
    x = 340,220,255,764.80/731,040.15
  6. Step 6: Final answer
    x = 465,392.03

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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.