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Finding the Fourth Proportional to 585,688.66, 878,668.31 and 248,740.30

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Solution

The fourth proportional to 585,688.66, 878,668.31 and 248,740.30 is: 373,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,688.66 : 878,668.31 = 248,740.30 : x
  2. Step 2: Convert to fraction form
    585,688.66/878,668.31 = 248,740.30/x
  3. Step 3: Cross multiply
    585,688.66x = 878,668.31 × 248,740.30
  4. Step 4: Simplify right side
    585,688.66x = 218,560,219,029.89
  5. Step 5: Solve for x
    x = 218,560,219,029.89/585,688.66
  6. Step 6: Final answer
    x = 373,167.92

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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.