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Finding the Fourth Proportional to 843,018, 1,264,527.72 and 344,382

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Solution

The fourth proportional to 843,018, 1,264,527.72 and 344,382 is: 516,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,018 : 1,264,527.72 = 344,382 : x
  2. Step 2: Convert to fraction form
    843,018/1,264,527.72 = 344,382/x
  3. Step 3: Cross multiply
    843,018x = 1,264,527.72 × 344,382
  4. Step 4: Simplify right side
    843,018x = 435,480,585,269.04
  5. Step 5: Solve for x
    x = 435,480,585,269.04/843,018
  6. Step 6: Final answer
    x = 516,573.29

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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.