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Finding the Fourth Proportional to 934,996.50, 1,402,728.03 and 270,148.50

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Solution

The fourth proportional to 934,996.50, 1,402,728.03 and 270,148.50 is: 405,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,996.50 : 1,402,728.03 = 270,148.50 : x
  2. Step 2: Convert to fraction form
    934,996.50/1,402,728.03 = 270,148.50/x
  3. Step 3: Cross multiply
    934,996.50x = 1,402,728.03 × 270,148.50
  4. Step 4: Simplify right side
    934,996.50x = 378,944,873,212.46
  5. Step 5: Solve for x
    x = 378,944,873,212.46/934,996.50
  6. Step 6: Final answer
    x = 405,290.15

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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.