Home / 555,080.31-766,029.38-340,178.85

Finding the Fourth Proportional to 555,080.31, 766,029.38 and 340,178.85

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Solution

The fourth proportional to 555,080.31, 766,029.38 and 340,178.85 is: 469,458.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,080.31 : 766,029.38 = 340,178.85 : x
  2. Step 2: Convert to fraction form
    555,080.31/766,029.38 = 340,178.85/x
  3. Step 3: Cross multiply
    555,080.31x = 766,029.38 × 340,178.85
  4. Step 4: Simplify right side
    555,080.31x = 260,586,991,853.72
  5. Step 5: Solve for x
    x = 260,586,991,853.72/555,080.31
  6. Step 6: Final answer
    x = 469,458.18

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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.