Home / 731,612.80-1,096,945.60-310,774.40

Finding the Fourth Proportional to 731,612.80, 1,096,945.60 and 310,774.40

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Solution

The fourth proportional to 731,612.80, 1,096,945.60 and 310,774.40 is: 465,960.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,612.80 : 1,096,945.60 = 310,774.40 : x
  2. Step 2: Convert to fraction form
    731,612.80/1,096,945.60 = 310,774.40/x
  3. Step 3: Cross multiply
    731,612.80x = 1,096,945.60 × 310,774.40
  4. Step 4: Simplify right side
    731,612.80x = 340,902,610,672.64
  5. Step 5: Solve for x
    x = 340,902,610,672.64/731,612.80
  6. Step 6: Final answer
    x = 465,960.42

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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.