Home / 879,396.54-1,319,145.84-248,257.50

Finding the Fourth Proportional to 879,396.54, 1,319,145.84 and 248,257.50

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Solution

The fourth proportional to 879,396.54, 1,319,145.84 and 248,257.50 is: 372,400.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,396.54 : 1,319,145.84 = 248,257.50 : x
  2. Step 2: Convert to fraction form
    879,396.54/1,319,145.84 = 248,257.50/x
  3. Step 3: Cross multiply
    879,396.54x = 1,319,145.84 × 248,257.50
  4. Step 4: Simplify right side
    879,396.54x = 327,487,848,373.80
  5. Step 5: Solve for x
    x = 327,487,848,373.80/879,396.54
  6. Step 6: Final answer
    x = 372,400.66

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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.