Home / 778,732.82-1,168,243.39-246,387.86

Finding the Fourth Proportional to 778,732.82, 1,168,243.39 and 246,387.86

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Solution

The fourth proportional to 778,732.82, 1,168,243.39 and 246,387.86 is: 369,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,732.82 : 1,168,243.39 = 246,387.86 : x
  2. Step 2: Convert to fraction form
    778,732.82/1,168,243.39 = 246,387.86/x
  3. Step 3: Cross multiply
    778,732.82x = 1,168,243.39 × 246,387.86
  4. Step 4: Simplify right side
    778,732.82x = 287,840,988,821.25
  5. Step 5: Solve for x
    x = 287,840,988,821.25/778,732.82
  6. Step 6: Final answer
    x = 369,627.40

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1.5x scale

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.