Home / 879,218.34-1,318,642.97-247,984.53

Finding the Fourth Proportional to 879,218.34, 1,318,642.97 and 247,984.53

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Solution

The fourth proportional to 879,218.34, 1,318,642.97 and 247,984.53 is: 371,924.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,218.34 : 1,318,642.97 = 247,984.53 : x
  2. Step 2: Convert to fraction form
    879,218.34/1,318,642.97 = 247,984.53/x
  3. Step 3: Cross multiply
    879,218.34x = 1,318,642.97 × 247,984.53
  4. Step 4: Simplify right side
    879,218.34x = 327,003,049,320.12
  5. Step 5: Solve for x
    x = 327,003,049,320.12/879,218.34
  6. Step 6: Final answer
    x = 371,924.74

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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.