Home / 731,620.80-1,096,957.60-310,782.40

Finding the Fourth Proportional to 731,620.80, 1,096,957.60 and 310,782.40

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Solution

The fourth proportional to 731,620.80, 1,096,957.60 and 310,782.40 is: 465,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,620.80 : 1,096,957.60 = 310,782.40 : x
  2. Step 2: Convert to fraction form
    731,620.80/1,096,957.60 = 310,782.40/x
  3. Step 3: Cross multiply
    731,620.80x = 1,096,957.60 × 310,782.40
  4. Step 4: Simplify right side
    731,620.80x = 340,915,115,626.24
  5. Step 5: Solve for x
    x = 340,915,115,626.24/731,620.80
  6. Step 6: Final answer
    x = 465,972.42

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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.