Home / 612,019.38-844,569.84-340,080.24

Finding the Fourth Proportional to 612,019.38, 844,569.84 and 340,080.24

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Solution

The fourth proportional to 612,019.38, 844,569.84 and 340,080.24 is: 469,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,019.38 : 844,569.84 = 340,080.24 : x
  2. Step 2: Convert to fraction form
    612,019.38/844,569.84 = 340,080.24/x
  3. Step 3: Cross multiply
    612,019.38x = 844,569.84 × 340,080.24
  4. Step 4: Simplify right side
    612,019.38x = 287,221,513,883.96
  5. Step 5: Solve for x
    x = 287,221,513,883.96/612,019.38
  6. Step 6: Final answer
    x = 469,301.34

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1.5x scale

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.