Home / 612,056.62-844,584.36-340,107.28

Finding the Fourth Proportional to 612,056.62, 844,584.36 and 340,107.28

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Solution

The fourth proportional to 612,056.62, 844,584.36 and 340,107.28 is: 469,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,056.62 : 844,584.36 = 340,107.28 : x
  2. Step 2: Convert to fraction form
    612,056.62/844,584.36 = 340,107.28/x
  3. Step 3: Cross multiply
    612,056.62x = 844,584.36 × 340,107.28
  4. Step 4: Simplify right side
    612,056.62x = 287,249,289,410.14
  5. Step 5: Solve for x
    x = 287,249,289,410.14/612,056.62
  6. Step 6: Final answer
    x = 469,318.16

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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.