Home / 999,287.94-1,498,716.92-316,228.80

Finding the Fourth Proportional to 999,287.94, 1,498,716.92 and 316,228.80

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Solution

The fourth proportional to 999,287.94, 1,498,716.92 and 316,228.80 is: 474,275.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,287.94 : 1,498,716.92 = 316,228.80 : x
  2. Step 2: Convert to fraction form
    999,287.94/1,498,716.92 = 316,228.80/x
  3. Step 3: Cross multiply
    999,287.94x = 1,498,716.92 × 316,228.80
  4. Step 4: Simplify right side
    999,287.94x = 473,937,453,151.30
  5. Step 5: Solve for x
    x = 473,937,453,151.30/999,287.94
  6. Step 6: Final answer
    x = 474,275.17

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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.