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Finding the Fourth Proportional to 648,003.48, 894,242.52 and 361,523.40

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Solution

The fourth proportional to 648,003.48, 894,242.52 and 361,523.40 is: 498,901.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,003.48 : 894,242.52 = 361,523.40 : x
  2. Step 2: Convert to fraction form
    648,003.48/894,242.52 = 361,523.40/x
  3. Step 3: Cross multiply
    648,003.48x = 894,242.52 × 361,523.40
  4. Step 4: Simplify right side
    648,003.48x = 323,289,596,254.97
  5. Step 5: Solve for x
    x = 323,289,596,254.97/648,003.48
  6. Step 6: Final answer
    x = 498,901.02

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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.