Home / 831,799.21-1,147,896.02-469,230.15

Finding the Fourth Proportional to 831,799.21, 1,147,896.02 and 469,230.15

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Solution

The fourth proportional to 831,799.21, 1,147,896.02 and 469,230.15 is: 647,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,799.21 : 1,147,896.02 = 469,230.15 : x
  2. Step 2: Convert to fraction form
    831,799.21/1,147,896.02 = 469,230.15/x
  3. Step 3: Cross multiply
    831,799.21x = 1,147,896.02 × 469,230.15
  4. Step 4: Simplify right side
    831,799.21x = 538,627,421,649.00
  5. Step 5: Solve for x
    x = 538,627,421,649.00/831,799.21
  6. Step 6: Final answer
    x = 647,545.00

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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.