Home / 831,641.67-1,147,663.94-469,064.43

Finding the Fourth Proportional to 831,641.67, 1,147,663.94 and 469,064.43

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Solution

The fourth proportional to 831,641.67, 1,147,663.94 and 469,064.43 is: 647,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,641.67 : 1,147,663.94 = 469,064.43 : x
  2. Step 2: Convert to fraction form
    831,641.67/1,147,663.94 = 469,064.43/x
  3. Step 3: Cross multiply
    831,641.67x = 1,147,663.94 × 469,064.43
  4. Step 4: Simplify right side
    831,641.67x = 538,328,329,502.33
  5. Step 5: Solve for x
    x = 538,328,329,502.33/831,641.67
  6. Step 6: Final answer
    x = 647,308.03

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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.