Home / 879,265.20-1,318,897.80-318,226.80

Finding the Fourth Proportional to 879,265.20, 1,318,897.80 and 318,226.80

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Solution

The fourth proportional to 879,265.20, 1,318,897.80 and 318,226.80 is: 477,340.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,265.20 : 1,318,897.80 = 318,226.80 : x
  2. Step 2: Convert to fraction form
    879,265.20/1,318,897.80 = 318,226.80/x
  3. Step 3: Cross multiply
    879,265.20x = 1,318,897.80 × 318,226.80
  4. Step 4: Simplify right side
    879,265.20x = 419,708,626,421.04
  5. Step 5: Solve for x
    x = 419,708,626,421.04/879,265.20
  6. Step 6: Final answer
    x = 477,340.20

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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.