Home / 825,927.93-1,238,652.25-346,143.20

Finding the Fourth Proportional to 825,927.93, 1,238,652.25 and 346,143.20

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Solution

The fourth proportional to 825,927.93, 1,238,652.25 and 346,143.20 is: 519,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,927.93 : 1,238,652.25 = 346,143.20 : x
  2. Step 2: Convert to fraction form
    825,927.93/1,238,652.25 = 346,143.20/x
  3. Step 3: Cross multiply
    825,927.93x = 1,238,652.25 × 346,143.20
  4. Step 4: Simplify right side
    825,927.93x = 428,751,046,443.58
  5. Step 5: Solve for x
    x = 428,751,046,443.58/825,927.93
  6. Step 6: Final answer
    x = 519,114.36

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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.