Home / 746,617.60-1,119,635.20-325,606.40

Finding the Fourth Proportional to 746,617.60, 1,119,635.20 and 325,606.40

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Solution

The fourth proportional to 746,617.60, 1,119,635.20 and 325,606.40 is: 488,282.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,617.60 : 1,119,635.20 = 325,606.40 : x
  2. Step 2: Convert to fraction form
    746,617.60/1,119,635.20 = 325,606.40/x
  3. Step 3: Cross multiply
    746,617.60x = 1,119,635.20 × 325,606.40
  4. Step 4: Simplify right side
    746,617.60x = 364,560,386,785.28
  5. Step 5: Solve for x
    x = 364,560,386,785.28/746,617.60
  6. Step 6: Final answer
    x = 488,282.61

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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.