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Finding the Fourth Proportional to 526,678.02, 726,810.50 and 284,955.29

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Solution

The fourth proportional to 526,678.02, 726,810.50 and 284,955.29 is: 393,235.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,678.02 : 726,810.50 = 284,955.29 : x
  2. Step 2: Convert to fraction form
    526,678.02/726,810.50 = 284,955.29/x
  3. Step 3: Cross multiply
    526,678.02x = 726,810.50 × 284,955.29
  4. Step 4: Simplify right side
    526,678.02x = 207,108,493,640.78
  5. Step 5: Solve for x
    x = 207,108,493,640.78/526,678.02
  6. Step 6: Final answer
    x = 393,235.50

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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.