Home / 746,630.40-1,119,945.60-185,664.90

Finding the Fourth Proportional to 746,630.40, 1,119,945.60 and 185,664.90

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Solution

The fourth proportional to 746,630.40, 1,119,945.60 and 185,664.90 is: 278,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,630.40 : 1,119,945.60 = 185,664.90 : x
  2. Step 2: Convert to fraction form
    746,630.40/1,119,945.60 = 185,664.90/x
  3. Step 3: Cross multiply
    746,630.40x = 1,119,945.60 × 185,664.90
  4. Step 4: Simplify right side
    746,630.40x = 207,934,587,829.44
  5. Step 5: Solve for x
    x = 207,934,587,829.44/746,630.40
  6. Step 6: Final answer
    x = 278,497.35

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Double scale
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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.