Home / 787,820.38-1,087,269.69-482,034.58

Finding the Fourth Proportional to 787,820.38, 1,087,269.69 and 482,034.58

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Solution

The fourth proportional to 787,820.38, 1,087,269.69 and 482,034.58 is: 665,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,820.38 : 1,087,269.69 = 482,034.58 : x
  2. Step 2: Convert to fraction form
    787,820.38/1,087,269.69 = 482,034.58/x
  3. Step 3: Cross multiply
    787,820.38x = 1,087,269.69 × 482,034.58
  4. Step 4: Simplify right side
    787,820.38x = 524,101,588,365.88
  5. Step 5: Solve for x
    x = 524,101,588,365.88/787,820.38
  6. Step 6: Final answer
    x = 665,255.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.