Home / 723,634.60-1,085,547.88-268,162.68

Finding the Fourth Proportional to 723,634.60, 1,085,547.88 and 268,162.68

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Solution

The fourth proportional to 723,634.60, 1,085,547.88 and 268,162.68 is: 402,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,634.60 : 1,085,547.88 = 268,162.68 : x
  2. Step 2: Convert to fraction form
    723,634.60/1,085,547.88 = 268,162.68/x
  3. Step 3: Cross multiply
    723,634.60x = 1,085,547.88 × 268,162.68
  4. Step 4: Simplify right side
    723,634.60x = 291,103,428,769.12
  5. Step 5: Solve for x
    x = 291,103,428,769.12/723,634.60
  6. Step 6: Final answer
    x = 402,279.59

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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.