Home / 799,128.08-1,198,702.50-266,649.10

Finding the Fourth Proportional to 799,128.08, 1,198,702.50 and 266,649.10

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Solution

The fourth proportional to 799,128.08, 1,198,702.50 and 266,649.10 is: 399,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,128.08 : 1,198,702.50 = 266,649.10 : x
  2. Step 2: Convert to fraction form
    799,128.08/1,198,702.50 = 266,649.10/x
  3. Step 3: Cross multiply
    799,128.08x = 1,198,702.50 × 266,649.10
  4. Step 4: Simplify right side
    799,128.08x = 319,632,942,792.75
  5. Step 5: Solve for x
    x = 319,632,942,792.75/799,128.08
  6. Step 6: Final answer
    x = 399,977.11

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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.