Home / 974,983.20-1,345,467.36-545,258.40

Finding the Fourth Proportional to 974,983.20, 1,345,467.36 and 545,258.40

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Solution

The fourth proportional to 974,983.20, 1,345,467.36 and 545,258.40 is: 752,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,983.20 : 1,345,467.36 = 545,258.40 : x
  2. Step 2: Convert to fraction form
    974,983.20/1,345,467.36 = 545,258.40/x
  3. Step 3: Cross multiply
    974,983.20x = 1,345,467.36 × 545,258.40
  4. Step 4: Simplify right side
    974,983.20x = 733,627,379,965.82
  5. Step 5: Solve for x
    x = 733,627,379,965.82/974,983.20
  6. Step 6: Final answer
    x = 752,451.30

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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.