Home / 612,270.79-844,943.80-336,640.29

Finding the Fourth Proportional to 612,270.79, 844,943.80 and 336,640.29

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Solution

The fourth proportional to 612,270.79, 844,943.80 and 336,640.29 is: 464,569.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,270.79 : 844,943.80 = 336,640.29 : x
  2. Step 2: Convert to fraction form
    612,270.79/844,943.80 = 336,640.29/x
  3. Step 3: Cross multiply
    612,270.79x = 844,943.80 × 336,640.29
  4. Step 4: Simplify right side
    612,270.79x = 284,442,124,182.50
  5. Step 5: Solve for x
    x = 284,442,124,182.50/612,270.79
  6. Step 6: Final answer
    x = 464,569.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.