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Finding the Fourth Proportional to 563,618.26, 777,873.27 and 348,827.50

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Solution

The fourth proportional to 563,618.26, 777,873.27 and 348,827.50 is: 481,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,618.26 : 777,873.27 = 348,827.50 : x
  2. Step 2: Convert to fraction form
    563,618.26/777,873.27 = 348,827.50/x
  3. Step 3: Cross multiply
    563,618.26x = 777,873.27 × 348,827.50
  4. Step 4: Simplify right side
    563,618.26x = 271,343,588,090.93
  5. Step 5: Solve for x
    x = 271,343,588,090.93/563,618.26
  6. Step 6: Final answer
    x = 481,431.51

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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.