Home / 779,195.97-1,168,827.30-305,983.71

Finding the Fourth Proportional to 779,195.97, 1,168,827.30 and 305,983.71

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Solution

The fourth proportional to 779,195.97, 1,168,827.30 and 305,983.71 is: 458,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,195.97 : 1,168,827.30 = 305,983.71 : x
  2. Step 2: Convert to fraction form
    779,195.97/1,168,827.30 = 305,983.71/x
  3. Step 3: Cross multiply
    779,195.97x = 1,168,827.30 × 305,983.71
  4. Step 4: Simplify right side
    779,195.97x = 357,642,113,603.28
  5. Step 5: Solve for x
    x = 357,642,113,603.28/779,195.97
  6. Step 6: Final answer
    x = 458,988.66

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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.