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Finding the Fourth Proportional to 763,952.10, 1,145,967.03 and 284,073.54

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Solution

The fourth proportional to 763,952.10, 1,145,967.03 and 284,073.54 is: 426,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,952.10 : 1,145,967.03 = 284,073.54 : x
  2. Step 2: Convert to fraction form
    763,952.10/1,145,967.03 = 284,073.54/x
  3. Step 3: Cross multiply
    763,952.10x = 1,145,967.03 × 284,073.54
  4. Step 4: Simplify right side
    763,952.10x = 325,538,910,935.39
  5. Step 5: Solve for x
    x = 325,538,910,935.39/763,952.10
  6. Step 6: Final answer
    x = 426,124.77

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1.5x scale

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.