Home / 879,206.20-1,318,809.30-248,111.80

Finding the Fourth Proportional to 879,206.20, 1,318,809.30 and 248,111.80

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Solution

The fourth proportional to 879,206.20, 1,318,809.30 and 248,111.80 is: 372,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,206.20 : 1,318,809.30 = 248,111.80 : x
  2. Step 2: Convert to fraction form
    879,206.20/1,318,809.30 = 248,111.80/x
  3. Step 3: Cross multiply
    879,206.20x = 1,318,809.30 × 248,111.80
  4. Step 4: Simplify right side
    879,206.20x = 327,212,149,279.74
  5. Step 5: Solve for x
    x = 327,212,149,279.74/879,206.20
  6. Step 6: Final answer
    x = 372,167.70

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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.