Home / 646,747.76-969,885.12-247,190.96

Finding the Fourth Proportional to 646,747.76, 969,885.12 and 247,190.96

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Solution

The fourth proportional to 646,747.76, 969,885.12 and 247,190.96 is: 370,696.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,747.76 : 969,885.12 = 247,190.96 : x
  2. Step 2: Convert to fraction form
    646,747.76/969,885.12 = 247,190.96/x
  3. Step 3: Cross multiply
    646,747.76x = 969,885.12 × 247,190.96
  4. Step 4: Simplify right side
    646,747.76x = 239,746,833,902.52
  5. Step 5: Solve for x
    x = 239,746,833,902.52/646,747.76
  6. Step 6: Final answer
    x = 370,696.04

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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.