Home / 879,251.10-1,318,851.95-280,248.14

Finding the Fourth Proportional to 879,251.10, 1,318,851.95 and 280,248.14

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Solution

The fourth proportional to 879,251.10, 1,318,851.95 and 280,248.14 is: 420,364.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,251.10 : 1,318,851.95 = 280,248.14 : x
  2. Step 2: Convert to fraction form
    879,251.10/1,318,851.95 = 280,248.14/x
  3. Step 3: Cross multiply
    879,251.10x = 1,318,851.95 × 280,248.14
  4. Step 4: Simplify right side
    879,251.10x = 369,605,797,927.37
  5. Step 5: Solve for x
    x = 369,605,797,927.37/879,251.10
  6. Step 6: Final answer
    x = 420,364.33

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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.