Home / 875,511.90-1,313,307.20-268,255.73

Finding the Fourth Proportional to 875,511.90, 1,313,307.20 and 268,255.73

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Solution

The fourth proportional to 875,511.90, 1,313,307.20 and 268,255.73 is: 402,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,511.90 : 1,313,307.20 = 268,255.73 : x
  2. Step 2: Convert to fraction form
    875,511.90/1,313,307.20 = 268,255.73/x
  3. Step 3: Cross multiply
    875,511.90x = 1,313,307.20 × 268,255.73
  4. Step 4: Simplify right side
    875,511.90x = 352,302,181,650.26
  5. Step 5: Solve for x
    x = 352,302,181,650.26/875,511.90
  6. Step 6: Final answer
    x = 402,395.65

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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.