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Finding the Fourth Proportional to 546,832.33, 754,696.77 and 317,340.34

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Solution

The fourth proportional to 546,832.33, 754,696.77 and 317,340.34 is: 437,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,832.33 : 754,696.77 = 317,340.34 : x
  2. Step 2: Convert to fraction form
    546,832.33/754,696.77 = 317,340.34/x
  3. Step 3: Cross multiply
    546,832.33x = 754,696.77 × 317,340.34
  4. Step 4: Simplify right side
    546,832.33x = 239,495,729,588.70
  5. Step 5: Solve for x
    x = 239,495,729,588.70/546,832.33
  6. Step 6: Final answer
    x = 437,969.22

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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.