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Finding the Fourth Proportional to 648,270.48, 894,675.36 and 361,817.22

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Solution

The fourth proportional to 648,270.48, 894,675.36 and 361,817.22 is: 499,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,270.48 : 894,675.36 = 361,817.22 : x
  2. Step 2: Convert to fraction form
    648,270.48/894,675.36 = 361,817.22/x
  3. Step 3: Cross multiply
    648,270.48x = 894,675.36 × 361,817.22
  4. Step 4: Simplify right side
    648,270.48x = 323,708,951,557.70
  5. Step 5: Solve for x
    x = 323,708,951,557.70/648,270.48
  6. Step 6: Final answer
    x = 499,342.42

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1.5x scale

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.