Home / 783,486.88-1,175,377.84-558,288.65

Finding the Fourth Proportional to 783,486.88, 1,175,377.84 and 558,288.65

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Solution

The fourth proportional to 783,486.88, 1,175,377.84 and 558,288.65 is: 837,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,486.88 : 1,175,377.84 = 558,288.65 : x
  2. Step 2: Convert to fraction form
    783,486.88/1,175,377.84 = 558,288.65/x
  3. Step 3: Cross multiply
    783,486.88x = 1,175,377.84 × 558,288.65
  4. Step 4: Simplify right side
    783,486.88x = 656,200,109,076.24
  5. Step 5: Solve for x
    x = 656,200,109,076.24/783,486.88
  6. Step 6: Final answer
    x = 837,538.10

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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.