Home / 778,328.68-1,167,396.36-209,754.24

Finding the Fourth Proportional to 778,328.68, 1,167,396.36 and 209,754.24

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Solution

The fourth proportional to 778,328.68, 1,167,396.36 and 209,754.24 is: 314,605.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,328.68 : 1,167,396.36 = 209,754.24 : x
  2. Step 2: Convert to fraction form
    778,328.68/1,167,396.36 = 209,754.24/x
  3. Step 3: Cross multiply
    778,328.68x = 1,167,396.36 × 209,754.24
  4. Step 4: Simplify right side
    778,328.68x = 244,866,336,270.57
  5. Step 5: Solve for x
    x = 244,866,336,270.57/778,328.68
  6. Step 6: Final answer
    x = 314,605.31

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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.