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Finding the Fourth Proportional to 648,173.08, 894,655.56 and 376,326.10

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Solution

The fourth proportional to 648,173.08, 894,655.56 and 376,326.10 is: 519,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,173.08 : 894,655.56 = 376,326.10 : x
  2. Step 2: Convert to fraction form
    648,173.08/894,655.56 = 376,326.10/x
  3. Step 3: Cross multiply
    648,173.08x = 894,655.56 × 376,326.10
  4. Step 4: Simplify right side
    648,173.08x = 336,682,237,738.12
  5. Step 5: Solve for x
    x = 336,682,237,738.12/648,173.08
  6. Step 6: Final answer
    x = 519,432.61

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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.