Home / 823,923.20-1,234,502.40-402,291.20

Finding the Fourth Proportional to 823,923.20, 1,234,502.40 and 402,291.20

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Solution

The fourth proportional to 823,923.20, 1,234,502.40 and 402,291.20 is: 602,761.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,923.20 : 1,234,502.40 = 402,291.20 : x
  2. Step 2: Convert to fraction form
    823,923.20/1,234,502.40 = 402,291.20/x
  3. Step 3: Cross multiply
    823,923.20x = 1,234,502.40 × 402,291.20
  4. Step 4: Simplify right side
    823,923.20x = 496,629,451,898.88
  5. Step 5: Solve for x
    x = 496,629,451,898.88/823,923.20
  6. Step 6: Final answer
    x = 602,761.83

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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.