Home / 612,222.96-844,826.64-340,273.20

Finding the Fourth Proportional to 612,222.96, 844,826.64 and 340,273.20

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Solution

The fourth proportional to 612,222.96, 844,826.64 and 340,273.20 is: 469,554.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,222.96 : 844,826.64 = 340,273.20 : x
  2. Step 2: Convert to fraction form
    612,222.96/844,826.64 = 340,273.20/x
  3. Step 3: Cross multiply
    612,222.96x = 844,826.64 × 340,273.20
  4. Step 4: Simplify right side
    612,222.96x = 287,471,864,238.05
  5. Step 5: Solve for x
    x = 287,471,864,238.05/612,222.96
  6. Step 6: Final answer
    x = 469,554.20

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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.