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Finding the Fourth Proportional to 618,008.68, 852,411.04 and 567,185.23

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Solution

The fourth proportional to 618,008.68, 852,411.04 and 567,185.23 is: 782,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,008.68 : 852,411.04 = 567,185.23 : x
  2. Step 2: Convert to fraction form
    618,008.68/852,411.04 = 567,185.23/x
  3. Step 3: Cross multiply
    618,008.68x = 852,411.04 × 567,185.23
  4. Step 4: Simplify right side
    618,008.68x = 483,474,951,776.94
  5. Step 5: Solve for x
    x = 483,474,951,776.94/618,008.68
  6. Step 6: Final answer
    x = 782,310.94

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1.5x scale

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.