Home / 831,674.41-1,147,663.11-469,076.64

Finding the Fourth Proportional to 831,674.41, 1,147,663.11 and 469,076.64

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Solution

The fourth proportional to 831,674.41, 1,147,663.11 and 469,076.64 is: 647,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,674.41 : 1,147,663.11 = 469,076.64 : x
  2. Step 2: Convert to fraction form
    831,674.41/1,147,663.11 = 469,076.64/x
  3. Step 3: Cross multiply
    831,674.41x = 1,147,663.11 × 469,076.64
  4. Step 4: Simplify right side
    831,674.41x = 538,341,958,671.60
  5. Step 5: Solve for x
    x = 538,341,958,671.60/831,674.41
  6. Step 6: Final answer
    x = 647,298.93

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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.