Home / 731,622.80-1,096,960.60-310,784.40

Finding the Fourth Proportional to 731,622.80, 1,096,960.60 and 310,784.40

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Solution

The fourth proportional to 731,622.80, 1,096,960.60 and 310,784.40 is: 465,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,622.80 : 1,096,960.60 = 310,784.40 : x
  2. Step 2: Convert to fraction form
    731,622.80/1,096,960.60 = 310,784.40/x
  3. Step 3: Cross multiply
    731,622.80x = 1,096,960.60 × 310,784.40
  4. Step 4: Simplify right side
    731,622.80x = 340,918,241,894.64
  5. Step 5: Solve for x
    x = 340,918,241,894.64/731,622.80
  6. Step 6: Final answer
    x = 465,975.42

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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.