Home / 994,979-1,373,108.08-565,331.90

Finding the Fourth Proportional to 994,979, 1,373,108.08 and 565,331.90

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Solution

The fourth proportional to 994,979, 1,373,108.08 and 565,331.90 is: 780,179.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,979 : 1,373,108.08 = 565,331.90 : x
  2. Step 2: Convert to fraction form
    994,979/1,373,108.08 = 565,331.90/x
  3. Step 3: Cross multiply
    994,979x = 1,373,108.08 × 565,331.90
  4. Step 4: Simplify right side
    994,979x = 776,261,799,771.75
  5. Step 5: Solve for x
    x = 776,261,799,771.75/994,979
  6. Step 6: Final answer
    x = 780,179.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.