Home / 479,968.74-719,923.95-199,488.42

Finding the Fourth Proportional to 479,968.74, 719,923.95 and 199,488.42

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Solution

The fourth proportional to 479,968.74, 719,923.95 and 199,488.42 is: 299,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,968.74 : 719,923.95 = 199,488.42 : x
  2. Step 2: Convert to fraction form
    479,968.74/719,923.95 = 199,488.42/x
  3. Step 3: Cross multiply
    479,968.74x = 719,923.95 × 199,488.42
  4. Step 4: Simplify right side
    479,968.74x = 143,616,491,305.66
  5. Step 5: Solve for x
    x = 143,616,491,305.66/479,968.74
  6. Step 6: Final answer
    x = 299,220.51

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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.