Home / 879,801.02-1,319,724.46-280,761.37

Finding the Fourth Proportional to 879,801.02, 1,319,724.46 and 280,761.37

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Solution

The fourth proportional to 879,801.02, 1,319,724.46 and 280,761.37 is: 421,149.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,801.02 : 1,319,724.46 = 280,761.37 : x
  2. Step 2: Convert to fraction form
    879,801.02/1,319,724.46 = 280,761.37/x
  3. Step 3: Cross multiply
    879,801.02x = 1,319,724.46 × 280,761.37
  4. Step 4: Simplify right side
    879,801.02x = 370,527,644,463.75
  5. Step 5: Solve for x
    x = 370,527,644,463.75/879,801.02
  6. Step 6: Final answer
    x = 421,149.37

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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.