Home / 746,630.20-1,119,945.30-185,664.70

Finding the Fourth Proportional to 746,630.20, 1,119,945.30 and 185,664.70

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Solution

The fourth proportional to 746,630.20, 1,119,945.30 and 185,664.70 is: 278,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,630.20 : 1,119,945.30 = 185,664.70 : x
  2. Step 2: Convert to fraction form
    746,630.20/1,119,945.30 = 185,664.70/x
  3. Step 3: Cross multiply
    746,630.20x = 1,119,945.30 × 185,664.70
  4. Step 4: Simplify right side
    746,630.20x = 207,934,308,140.91
  5. Step 5: Solve for x
    x = 207,934,308,140.91/746,630.20
  6. Step 6: Final answer
    x = 278,497.05

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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.