Home / 821,952.72-1,232,925.84-261,030.96

Finding the Fourth Proportional to 821,952.72, 1,232,925.84 and 261,030.96

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Solution

The fourth proportional to 821,952.72, 1,232,925.84 and 261,030.96 is: 391,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,952.72 : 1,232,925.84 = 261,030.96 : x
  2. Step 2: Convert to fraction form
    821,952.72/1,232,925.84 = 261,030.96/x
  3. Step 3: Cross multiply
    821,952.72x = 1,232,925.84 × 261,030.96
  4. Step 4: Simplify right side
    821,952.72x = 321,831,815,624.01
  5. Step 5: Solve for x
    x = 321,831,815,624.01/821,952.72
  6. Step 6: Final answer
    x = 391,545.41

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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.