Home / 679,381.98-1,019,077.30-199,607.79

Finding the Fourth Proportional to 679,381.98, 1,019,077.30 and 199,607.79

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Solution

The fourth proportional to 679,381.98, 1,019,077.30 and 199,607.79 is: 299,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,381.98 : 1,019,077.30 = 199,607.79 : x
  2. Step 2: Convert to fraction form
    679,381.98/1,019,077.30 = 199,607.79/x
  3. Step 3: Cross multiply
    679,381.98x = 1,019,077.30 × 199,607.79
  4. Step 4: Simplify right side
    679,381.98x = 203,415,771,763.22
  5. Step 5: Solve for x
    x = 203,415,771,763.22/679,381.98
  6. Step 6: Final answer
    x = 299,412.96

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Double scale
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Similar ratio
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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.