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Finding the Fourth Proportional to 522,750.94, 721,408.73 and 293,325.20

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Solution

The fourth proportional to 522,750.94, 721,408.73 and 293,325.20 is: 404,795.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,750.94 : 721,408.73 = 293,325.20 : x
  2. Step 2: Convert to fraction form
    522,750.94/721,408.73 = 293,325.20/x
  3. Step 3: Cross multiply
    522,750.94x = 721,408.73 × 293,325.20
  4. Step 4: Simplify right side
    522,750.94x = 211,607,357,640.61
  5. Step 5: Solve for x
    x = 211,607,357,640.61/522,750.94
  6. Step 6: Final answer
    x = 404,795.75

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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.