Home / 380,946.69-571,515.16-268,845.84

Finding the Fourth Proportional to 380,946.69, 571,515.16 and 268,845.84

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Solution

The fourth proportional to 380,946.69, 571,515.16 and 268,845.84 is: 403,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946.69 : 571,515.16 = 268,845.84 : x
  2. Step 2: Convert to fraction form
    380,946.69/571,515.16 = 268,845.84/x
  3. Step 3: Cross multiply
    380,946.69x = 571,515.16 × 268,845.84
  4. Step 4: Simplify right side
    380,946.69x = 153,649,473,262.93
  5. Step 5: Solve for x
    x = 153,649,473,262.93/380,946.69
  6. Step 6: Final answer
    x = 403,335.89

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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.