Home / 974,900.20-1,345,353.06-545,175.40

Finding the Fourth Proportional to 974,900.20, 1,345,353.06 and 545,175.40

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Solution

The fourth proportional to 974,900.20, 1,345,353.06 and 545,175.40 is: 752,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,900.20 : 1,345,353.06 = 545,175.40 : x
  2. Step 2: Convert to fraction form
    974,900.20/1,345,353.06 = 545,175.40/x
  3. Step 3: Cross multiply
    974,900.20x = 1,345,353.06 × 545,175.40
  4. Step 4: Simplify right side
    974,900.20x = 733,453,392,626.72
  5. Step 5: Solve for x
    x = 733,453,392,626.72/974,900.20
  6. Step 6: Final answer
    x = 752,336.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.