Home / 879,630.60-1,319,234.70-248,603.40

Finding the Fourth Proportional to 879,630.60, 1,319,234.70 and 248,603.40

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Solution

The fourth proportional to 879,630.60, 1,319,234.70 and 248,603.40 is: 372,845.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,630.60 : 1,319,234.70 = 248,603.40 : x
  2. Step 2: Convert to fraction form
    879,630.60/1,319,234.70 = 248,603.40/x
  3. Step 3: Cross multiply
    879,630.60x = 1,319,234.70 × 248,603.40
  4. Step 4: Simplify right side
    879,630.60x = 327,966,231,817.98
  5. Step 5: Solve for x
    x = 327,966,231,817.98/879,630.60
  6. Step 6: Final answer
    x = 372,845.41

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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.