Home / 828,587.68-1,143,418.08-489,165.28

Finding the Fourth Proportional to 828,587.68, 1,143,418.08 and 489,165.28

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Solution

The fourth proportional to 828,587.68, 1,143,418.08 and 489,165.28 is: 675,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,587.68 : 1,143,418.08 = 489,165.28 : x
  2. Step 2: Convert to fraction form
    828,587.68/1,143,418.08 = 489,165.28/x
  3. Step 3: Cross multiply
    828,587.68x = 1,143,418.08 × 489,165.28
  4. Step 4: Simplify right side
    828,587.68x = 559,320,425,260.26
  5. Step 5: Solve for x
    x = 559,320,425,260.26/828,587.68
  6. Step 6: Final answer
    x = 675,028.65

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