Home / 646,739.76-969,873.12-247,182.96

Finding the Fourth Proportional to 646,739.76, 969,873.12 and 247,182.96

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Solution

The fourth proportional to 646,739.76, 969,873.12 and 247,182.96 is: 370,684.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,739.76 : 969,873.12 = 247,182.96 : x
  2. Step 2: Convert to fraction form
    646,739.76/969,873.12 = 247,182.96/x
  3. Step 3: Cross multiply
    646,739.76x = 969,873.12 × 247,182.96
  4. Step 4: Simplify right side
    646,739.76x = 239,736,108,626.04
  5. Step 5: Solve for x
    x = 239,736,108,626.04/646,739.76
  6. Step 6: Final answer
    x = 370,684.04

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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.