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Finding the Fourth Proportional to 585,716.69, 877,946.27 and 248,472.78

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Solution

The fourth proportional to 585,716.69, 877,946.27 and 248,472.78 is: 372,442.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,716.69 : 877,946.27 = 248,472.78 : x
  2. Step 2: Convert to fraction form
    585,716.69/877,946.27 = 248,472.78/x
  3. Step 3: Cross multiply
    585,716.69x = 877,946.27 × 248,472.78
  4. Step 4: Simplify right side
    585,716.69x = 218,145,749,155.17
  5. Step 5: Solve for x
    x = 218,145,749,155.17/585,716.69
  6. Step 6: Final answer
    x = 372,442.44

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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.