Home / 772,920.80-1,159,381.20-532,383.20

Finding the Fourth Proportional to 772,920.80, 1,159,381.20 and 532,383.20

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Solution

The fourth proportional to 772,920.80, 1,159,381.20 and 532,383.20 is: 798,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,920.80 : 1,159,381.20 = 532,383.20 : x
  2. Step 2: Convert to fraction form
    772,920.80/1,159,381.20 = 532,383.20/x
  3. Step 3: Cross multiply
    772,920.80x = 1,159,381.20 × 532,383.20
  4. Step 4: Simplify right side
    772,920.80x = 617,235,073,275.84
  5. Step 5: Solve for x
    x = 617,235,073,275.84/772,920.80
  6. Step 6: Final answer
    x = 798,574.80

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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.