Home / 772,925.20-1,159,906.20-457,046.80

Finding the Fourth Proportional to 772,925.20, 1,159,906.20 and 457,046.80

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Solution

The fourth proportional to 772,925.20, 1,159,906.20 and 457,046.80 is: 685,876.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,925.20 : 1,159,906.20 = 457,046.80 : x
  2. Step 2: Convert to fraction form
    772,925.20/1,159,906.20 = 457,046.80/x
  3. Step 3: Cross multiply
    772,925.20x = 1,159,906.20 × 457,046.80
  4. Step 4: Simplify right side
    772,925.20x = 530,131,417,010.16
  5. Step 5: Solve for x
    x = 530,131,417,010.16/772,925.20
  6. Step 6: Final answer
    x = 685,876.74

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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.