Home / 840,857.27-1,260,535.90-308,253.95

Finding the Fourth Proportional to 840,857.27, 1,260,535.90 and 308,253.95

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Solution

The fourth proportional to 840,857.27, 1,260,535.90 and 308,253.95 is: 462,105.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,857.27 : 1,260,535.90 = 308,253.95 : x
  2. Step 2: Convert to fraction form
    840,857.27/1,260,535.90 = 308,253.95/x
  3. Step 3: Cross multiply
    840,857.27x = 1,260,535.90 × 308,253.95
  4. Step 4: Simplify right side
    840,857.27x = 388,565,170,291.81
  5. Step 5: Solve for x
    x = 388,565,170,291.81/840,857.27
  6. Step 6: Final answer
    x = 462,105.98

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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.