Home / 887,855.52-1,225,240.62-485,447.52

Finding the Fourth Proportional to 887,855.52, 1,225,240.62 and 485,447.52

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Solution

The fourth proportional to 887,855.52, 1,225,240.62 and 485,447.52 is: 669,917.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,855.52 : 1,225,240.62 = 485,447.52 : x
  2. Step 2: Convert to fraction form
    887,855.52/1,225,240.62 = 485,447.52/x
  3. Step 3: Cross multiply
    887,855.52x = 1,225,240.62 × 485,447.52
  4. Step 4: Simplify right side
    887,855.52x = 594,790,020,382.26
  5. Step 5: Solve for x
    x = 594,790,020,382.26/887,855.52
  6. Step 6: Final answer
    x = 669,917.58

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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.