Home / 778,519.10-1,167,815.10-246,081.80

Finding the Fourth Proportional to 778,519.10, 1,167,815.10 and 246,081.80

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Solution

The fourth proportional to 778,519.10, 1,167,815.10 and 246,081.80 is: 369,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,519.10 : 1,167,815.10 = 246,081.80 : x
  2. Step 2: Convert to fraction form
    778,519.10/1,167,815.10 = 246,081.80/x
  3. Step 3: Cross multiply
    778,519.10x = 1,167,815.10 × 246,081.80
  4. Step 4: Simplify right side
    778,519.10x = 287,378,041,875.18
  5. Step 5: Solve for x
    x = 287,378,041,875.18/778,519.10
  6. Step 6: Final answer
    x = 369,134.22

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Double scale
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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.