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Finding the Fourth Proportional to 526,594.61, 789,924.74 and 211,010.51

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Solution

The fourth proportional to 526,594.61, 789,924.74 and 211,010.51 is: 316,528.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,594.61 : 789,924.74 = 211,010.51 : x
  2. Step 2: Convert to fraction form
    526,594.61/789,924.74 = 211,010.51/x
  3. Step 3: Cross multiply
    526,594.61x = 789,924.74 × 211,010.51
  4. Step 4: Simplify right side
    526,594.61x = 166,682,422,249.02
  5. Step 5: Solve for x
    x = 166,682,422,249.02/526,594.61
  6. Step 6: Final answer
    x = 316,528.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.