Home / 778,215.39-1,167,358.88-238,433.01

Finding the Fourth Proportional to 778,215.39, 1,167,358.88 and 238,433.01

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Solution

The fourth proportional to 778,215.39, 1,167,358.88 and 238,433.01 is: 357,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,215.39 : 1,167,358.88 = 238,433.01 : x
  2. Step 2: Convert to fraction form
    778,215.39/1,167,358.88 = 238,433.01/x
  3. Step 3: Cross multiply
    778,215.39x = 1,167,358.88 × 238,433.01
  4. Step 4: Simplify right side
    778,215.39x = 278,336,890,316.46
  5. Step 5: Solve for x
    x = 278,336,890,316.46/778,215.39
  6. Step 6: Final answer
    x = 357,660.48

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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.