Home / 939,470.80-1,408,921.08-265,498.96

Finding the Fourth Proportional to 939,470.80, 1,408,921.08 and 265,498.96

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Solution

The fourth proportional to 939,470.80, 1,408,921.08 and 265,498.96 is: 398,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,470.80 : 1,408,921.08 = 265,498.96 : x
  2. Step 2: Convert to fraction form
    939,470.80/1,408,921.08 = 265,498.96/x
  3. Step 3: Cross multiply
    939,470.80x = 1,408,921.08 × 265,498.96
  4. Step 4: Simplify right side
    939,470.80x = 374,067,081,462.08
  5. Step 5: Solve for x
    x = 374,067,081,462.08/939,470.80
  6. Step 6: Final answer
    x = 398,167.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.