Home / 824,043.60-1,235,950.20-263,134.80

Finding the Fourth Proportional to 824,043.60, 1,235,950.20 and 263,134.80

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Solution

The fourth proportional to 824,043.60, 1,235,950.20 and 263,134.80 is: 394,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,043.60 : 1,235,950.20 = 263,134.80 : x
  2. Step 2: Convert to fraction form
    824,043.60/1,235,950.20 = 263,134.80/x
  3. Step 3: Cross multiply
    824,043.60x = 1,235,950.20 × 263,134.80
  4. Step 4: Simplify right side
    824,043.60x = 325,221,508,686.96
  5. Step 5: Solve for x
    x = 325,221,508,686.96/824,043.60
  6. Step 6: Final answer
    x = 394,665.41

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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.