Home / 778,618.08-1,167,868.80-217,696.32

Finding the Fourth Proportional to 778,618.08, 1,167,868.80 and 217,696.32

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Solution

The fourth proportional to 778,618.08, 1,167,868.80 and 217,696.32 is: 326,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,618.08 : 1,167,868.80 = 217,696.32 : x
  2. Step 2: Convert to fraction form
    778,618.08/1,167,868.80 = 217,696.32/x
  3. Step 3: Cross multiply
    778,618.08x = 1,167,868.80 × 217,696.32
  4. Step 4: Simplify right side
    778,618.08x = 254,240,740,002.82
  5. Step 5: Solve for x
    x = 254,240,740,002.82/778,618.08
  6. Step 6: Final answer
    x = 326,528.17

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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.