Home / 875,511.40-1,313,306.45-268,255.23

Finding the Fourth Proportional to 875,511.40, 1,313,306.45 and 268,255.23

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Solution

The fourth proportional to 875,511.40, 1,313,306.45 and 268,255.23 is: 402,394.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,511.40 : 1,313,306.45 = 268,255.23 : x
  2. Step 2: Convert to fraction form
    875,511.40/1,313,306.45 = 268,255.23/x
  3. Step 3: Cross multiply
    875,511.40x = 1,313,306.45 × 268,255.23
  4. Step 4: Simplify right side
    875,511.40x = 352,301,323,805.23
  5. Step 5: Solve for x
    x = 352,301,323,805.23/875,511.40
  6. Step 6: Final answer
    x = 402,394.90

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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.