Home / 879,221.80-1,318,703.10-248,199.40

Finding the Fourth Proportional to 879,221.80, 1,318,703.10 and 248,199.40

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Solution

The fourth proportional to 879,221.80, 1,318,703.10 and 248,199.40 is: 372,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,221.80 : 1,318,703.10 = 248,199.40 : x
  2. Step 2: Convert to fraction form
    879,221.80/1,318,703.10 = 248,199.40/x
  3. Step 3: Cross multiply
    879,221.80x = 1,318,703.10 × 248,199.40
  4. Step 4: Simplify right side
    879,221.80x = 327,301,318,198.14
  5. Step 5: Solve for x
    x = 327,301,318,198.14/879,221.80
  6. Step 6: Final answer
    x = 372,262.51

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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.