Home / 827,282.60-1,240,923.90-354,015.80

Finding the Fourth Proportional to 827,282.60, 1,240,923.90 and 354,015.80

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Solution

The fourth proportional to 827,282.60, 1,240,923.90 and 354,015.80 is: 531,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,282.60 : 1,240,923.90 = 354,015.80 : x
  2. Step 2: Convert to fraction form
    827,282.60/1,240,923.90 = 354,015.80/x
  3. Step 3: Cross multiply
    827,282.60x = 1,240,923.90 × 354,015.80
  4. Step 4: Simplify right side
    827,282.60x = 439,306,667,197.62
  5. Step 5: Solve for x
    x = 439,306,667,197.62/827,282.60
  6. Step 6: Final answer
    x = 531,023.70

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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.