Home / 906,195.60-1,357,738.20-431,859.60

Finding the Fourth Proportional to 906,195.60, 1,357,738.20 and 431,859.60

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Solution

The fourth proportional to 906,195.60, 1,357,738.20 and 431,859.60 is: 647,048.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,195.60 : 1,357,738.20 = 431,859.60 : x
  2. Step 2: Convert to fraction form
    906,195.60/1,357,738.20 = 431,859.60/x
  3. Step 3: Cross multiply
    906,195.60x = 1,357,738.20 × 431,859.60
  4. Step 4: Simplify right side
    906,195.60x = 586,352,275,956.72
  5. Step 5: Solve for x
    x = 586,352,275,956.72/906,195.60
  6. Step 6: Final answer
    x = 647,048.25

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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.