Home / 779,228.10-1,167,866.43-418,512.52

Finding the Fourth Proportional to 779,228.10, 1,167,866.43 and 418,512.52

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Solution

The fourth proportional to 779,228.10, 1,167,866.43 and 418,512.52 is: 627,244.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,228.10 : 1,167,866.43 = 418,512.52 : x
  2. Step 2: Convert to fraction form
    779,228.10/1,167,866.43 = 418,512.52/x
  3. Step 3: Cross multiply
    779,228.10x = 1,167,866.43 × 418,512.52
  4. Step 4: Simplify right side
    779,228.10x = 488,766,723,710.18
  5. Step 5: Solve for x
    x = 488,766,723,710.18/779,228.10
  6. Step 6: Final answer
    x = 627,244.74

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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.