Home / 790,069.36-1,185,251.46-316,791.76

Finding the Fourth Proportional to 790,069.36, 1,185,251.46 and 316,791.76

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Solution

The fourth proportional to 790,069.36, 1,185,251.46 and 316,791.76 is: 475,246.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,069.36 : 1,185,251.46 = 316,791.76 : x
  2. Step 2: Convert to fraction form
    790,069.36/1,185,251.46 = 316,791.76/x
  3. Step 3: Cross multiply
    790,069.36x = 1,185,251.46 × 316,791.76
  4. Step 4: Simplify right side
    790,069.36x = 375,477,896,055.97
  5. Step 5: Solve for x
    x = 375,477,896,055.97/790,069.36
  6. Step 6: Final answer
    x = 475,246.75

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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.