Home / 825,064.52-1,138,660.20-462,558.33

Finding the Fourth Proportional to 825,064.52, 1,138,660.20 and 462,558.33

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Solution

The fourth proportional to 825,064.52, 1,138,660.20 and 462,558.33 is: 638,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,064.52 : 1,138,660.20 = 462,558.33 : x
  2. Step 2: Convert to fraction form
    825,064.52/1,138,660.20 = 462,558.33/x
  3. Step 3: Cross multiply
    825,064.52x = 1,138,660.20 × 462,558.33
  4. Step 4: Simplify right side
    825,064.52x = 526,696,760,549.47
  5. Step 5: Solve for x
    x = 526,696,760,549.47/825,064.52
  6. Step 6: Final answer
    x = 638,370.39

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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.