Home / 879,530.80-1,319,512.20-248,436.40

Finding the Fourth Proportional to 879,530.80, 1,319,512.20 and 248,436.40

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Solution

The fourth proportional to 879,530.80, 1,319,512.20 and 248,436.40 is: 372,715.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,530.80 : 1,319,512.20 = 248,436.40 : x
  2. Step 2: Convert to fraction form
    879,530.80/1,319,512.20 = 248,436.40/x
  3. Step 3: Cross multiply
    879,530.80x = 1,319,512.20 × 248,436.40
  4. Step 4: Simplify right side
    879,530.80x = 327,814,860,724.08
  5. Step 5: Solve for x
    x = 327,814,860,724.08/879,530.80
  6. Step 6: Final answer
    x = 372,715.61

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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.