Home / 879,193.18-1,318,775.30-280,146.24

Finding the Fourth Proportional to 879,193.18, 1,318,775.30 and 280,146.24

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Solution

The fourth proportional to 879,193.18, 1,318,775.30 and 280,146.24 is: 420,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,193.18 : 1,318,775.30 = 280,146.24 : x
  2. Step 2: Convert to fraction form
    879,193.18/1,318,775.30 = 280,146.24/x
  3. Step 3: Cross multiply
    879,193.18x = 1,318,775.30 × 280,146.24
  4. Step 4: Simplify right side
    879,193.18x = 369,449,941,699.87
  5. Step 5: Solve for x
    x = 369,449,941,699.87/879,193.18
  6. Step 6: Final answer
    x = 420,214.75

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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.