Home / 767,393.15-1,149,986.23-527,777.61

Finding the Fourth Proportional to 767,393.15, 1,149,986.23 and 527,777.61

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Solution

The fourth proportional to 767,393.15, 1,149,986.23 and 527,777.61 is: 790,907.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,393.15 : 1,149,986.23 = 527,777.61 : x
  2. Step 2: Convert to fraction form
    767,393.15/1,149,986.23 = 527,777.61/x
  3. Step 3: Cross multiply
    767,393.15x = 1,149,986.23 × 527,777.61
  4. Step 4: Simplify right side
    767,393.15x = 606,936,986,920.51
  5. Step 5: Solve for x
    x = 606,936,986,920.51/767,393.15
  6. Step 6: Final answer
    x = 790,907.49

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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.