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Finding the Fourth Proportional to 874,644.60, 1,312,550.10 and 495,564.60

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Solution

The fourth proportional to 874,644.60, 1,312,550.10 and 495,564.60 is: 743,677.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,644.60 : 1,312,550.10 = 495,564.60 : x
  2. Step 2: Convert to fraction form
    874,644.60/1,312,550.10 = 495,564.60/x
  3. Step 3: Cross multiply
    874,644.60x = 1,312,550.10 × 495,564.60
  4. Step 4: Simplify right side
    874,644.60x = 650,453,365,286.46
  5. Step 5: Solve for x
    x = 650,453,365,286.46/874,644.60
  6. Step 6: Final answer
    x = 743,677.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.