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Finding the Fourth Proportional to 662,650.63, 914,432.76 and 404,958.54

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Solution

The fourth proportional to 662,650.63, 914,432.76 and 404,958.54 is: 558,827.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,650.63 : 914,432.76 = 404,958.54 : x
  2. Step 2: Convert to fraction form
    662,650.63/914,432.76 = 404,958.54/x
  3. Step 3: Cross multiply
    662,650.63x = 914,432.76 × 404,958.54
  4. Step 4: Simplify right side
    662,650.63x = 370,307,355,417.77
  5. Step 5: Solve for x
    x = 370,307,355,417.77/662,650.63
  6. Step 6: Final answer
    x = 558,827.44

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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.