Home / 731,623.80-1,096,962.10-310,785.40

Finding the Fourth Proportional to 731,623.80, 1,096,962.10 and 310,785.40

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Solution

The fourth proportional to 731,623.80, 1,096,962.10 and 310,785.40 is: 465,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,623.80 : 1,096,962.10 = 310,785.40 : x
  2. Step 2: Convert to fraction form
    731,623.80/1,096,962.10 = 310,785.40/x
  3. Step 3: Cross multiply
    731,623.80x = 1,096,962.10 × 310,785.40
  4. Step 4: Simplify right side
    731,623.80x = 340,919,805,033.34
  5. Step 5: Solve for x
    x = 340,919,805,033.34/731,623.80
  6. Step 6: Final answer
    x = 465,976.92

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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.