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Finding the Fourth Proportional to 632,308.40, 948,960.60 and 277,567.28

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Solution

The fourth proportional to 632,308.40, 948,960.60 and 277,567.28 is: 416,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,308.40 : 948,960.60 = 277,567.28 : x
  2. Step 2: Convert to fraction form
    632,308.40/948,960.60 = 277,567.28/x
  3. Step 3: Cross multiply
    632,308.40x = 948,960.60 × 277,567.28
  4. Step 4: Simplify right side
    632,308.40x = 263,400,412,569.17
  5. Step 5: Solve for x
    x = 263,400,412,569.17/632,308.40
  6. Step 6: Final answer
    x = 416,569.53

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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.