Home / 831,583.88-1,147,585.56-469,006.95

Finding the Fourth Proportional to 831,583.88, 1,147,585.56 and 469,006.95

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Solution

The fourth proportional to 831,583.88, 1,147,585.56 and 469,006.95 is: 647,229.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,583.88 : 1,147,585.56 = 469,006.95 : x
  2. Step 2: Convert to fraction form
    831,583.88/1,147,585.56 = 469,006.95/x
  3. Step 3: Cross multiply
    831,583.88x = 1,147,585.56 × 469,006.95
  4. Step 4: Simplify right side
    831,583.88x = 538,225,605,904.31
  5. Step 5: Solve for x
    x = 538,225,605,904.31/831,583.88
  6. Step 6: Final answer
    x = 647,229.49

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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.