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Finding the Fourth Proportional to 654,393.48, 903,061.92 and 367,914.12

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Solution

The fourth proportional to 654,393.48, 903,061.92 and 367,914.12 is: 507,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,393.48 : 903,061.92 = 367,914.12 : x
  2. Step 2: Convert to fraction form
    654,393.48/903,061.92 = 367,914.12/x
  3. Step 3: Cross multiply
    654,393.48x = 903,061.92 × 367,914.12
  4. Step 4: Simplify right side
    654,393.48x = 332,249,231,602.31
  5. Step 5: Solve for x
    x = 332,249,231,602.31/654,393.48
  6. Step 6: Final answer
    x = 507,720.88

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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.