Home / 879,797.53-1,319,719.36-280,758.11

Finding the Fourth Proportional to 879,797.53, 1,319,719.36 and 280,758.11

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Solution

The fourth proportional to 879,797.53, 1,319,719.36 and 280,758.11 is: 421,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,797.53 : 1,319,719.36 = 280,758.11 : x
  2. Step 2: Convert to fraction form
    879,797.53/1,319,719.36 = 280,758.11/x
  3. Step 3: Cross multiply
    879,797.53x = 1,319,719.36 × 280,758.11
  4. Step 4: Simplify right side
    879,797.53x = 370,521,913,244.01
  5. Step 5: Solve for x
    x = 370,521,913,244.01/879,797.53
  6. Step 6: Final answer
    x = 421,144.53

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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.