Home / 347,926.78-479,071.29-304,658.74

Finding the Fourth Proportional to 347,926.78, 479,071.29 and 304,658.74

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Solution

The fourth proportional to 347,926.78, 479,071.29 and 304,658.74 is: 419,494.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,926.78 : 479,071.29 = 304,658.74 : x
  2. Step 2: Convert to fraction form
    347,926.78/479,071.29 = 304,658.74/x
  3. Step 3: Cross multiply
    347,926.78x = 479,071.29 × 304,658.74
  4. Step 4: Simplify right side
    347,926.78x = 145,953,255,581.58
  5. Step 5: Solve for x
    x = 145,953,255,581.58/347,926.78
  6. Step 6: Final answer
    x = 419,494.17

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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.