Home / 646,740.20-970,110.30-247,175.30

Finding the Fourth Proportional to 646,740.20, 970,110.30 and 247,175.30

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Solution

The fourth proportional to 646,740.20, 970,110.30 and 247,175.30 is: 370,762.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,740.20 : 970,110.30 = 247,175.30 : x
  2. Step 2: Convert to fraction form
    646,740.20/970,110.30 = 247,175.30/x
  3. Step 3: Cross multiply
    646,740.20x = 970,110.30 × 247,175.30
  4. Step 4: Simplify right side
    646,740.20x = 239,787,304,435.59
  5. Step 5: Solve for x
    x = 239,787,304,435.59/646,740.20
  6. Step 6: Final answer
    x = 370,762.95

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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.