Home / 831,570.74-1,147,569.29-449,597.52

Finding the Fourth Proportional to 831,570.74, 1,147,569.29 and 449,597.52

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Solution

The fourth proportional to 831,570.74, 1,147,569.29 and 449,597.52 is: 620,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,570.74 : 1,147,569.29 = 449,597.52 : x
  2. Step 2: Convert to fraction form
    831,570.74/1,147,569.29 = 449,597.52/x
  3. Step 3: Cross multiply
    831,570.74x = 1,147,569.29 × 449,597.52
  4. Step 4: Simplify right side
    831,570.74x = 515,944,306,812.16
  5. Step 5: Solve for x
    x = 515,944,306,812.16/831,570.74
  6. Step 6: Final answer
    x = 620,445.48

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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.