Home / 888,006.39-1,225,423.94-485,589.75

Finding the Fourth Proportional to 888,006.39, 1,225,423.94 and 485,589.75

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Solution

The fourth proportional to 888,006.39, 1,225,423.94 and 485,589.75 is: 670,100.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,006.39 : 1,225,423.94 = 485,589.75 : x
  2. Step 2: Convert to fraction form
    888,006.39/1,225,423.94 = 485,589.75/x
  3. Step 3: Cross multiply
    888,006.39x = 1,225,423.94 × 485,589.75
  4. Step 4: Simplify right side
    888,006.39x = 595,053,302,240.67
  5. Step 5: Solve for x
    x = 595,053,302,240.67/888,006.39
  6. Step 6: Final answer
    x = 670,100.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.