Home / 783,275.80-1,080,839.30-460,966.68

Finding the Fourth Proportional to 783,275.80, 1,080,839.30 and 460,966.68

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Solution

The fourth proportional to 783,275.80, 1,080,839.30 and 460,966.68 is: 636,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,275.80 : 1,080,839.30 = 460,966.68 : x
  2. Step 2: Convert to fraction form
    783,275.80/1,080,839.30 = 460,966.68/x
  3. Step 3: Cross multiply
    783,275.80x = 1,080,839.30 × 460,966.68
  4. Step 4: Simplify right side
    783,275.80x = 498,230,903,734.52
  5. Step 5: Solve for x
    x = 498,230,903,734.52/783,275.80
  6. Step 6: Final answer
    x = 636,086.17

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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.