Home / 612,020.03-844,570.78-340,080.96

Finding the Fourth Proportional to 612,020.03, 844,570.78 and 340,080.96

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Solution

The fourth proportional to 612,020.03, 844,570.78 and 340,080.96 is: 469,302.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,020.03 : 844,570.78 = 340,080.96 : x
  2. Step 2: Convert to fraction form
    612,020.03/844,570.78 = 340,080.96/x
  3. Step 3: Cross multiply
    612,020.03x = 844,570.78 × 340,080.96
  4. Step 4: Simplify right side
    612,020.03x = 287,222,439,949.94
  5. Step 5: Solve for x
    x = 287,222,439,949.94/612,020.03
  6. Step 6: Final answer
    x = 469,302.35

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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.