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Finding the Fourth Proportional to 594,725.39, 820,722.17 and 353,056.42

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Solution

The fourth proportional to 594,725.39, 820,722.17 and 353,056.42 is: 487,218.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,725.39 : 820,722.17 = 353,056.42 : x
  2. Step 2: Convert to fraction form
    594,725.39/820,722.17 = 353,056.42/x
  3. Step 3: Cross multiply
    594,725.39x = 820,722.17 × 353,056.42
  4. Step 4: Simplify right side
    594,725.39x = 289,761,233,063.38
  5. Step 5: Solve for x
    x = 289,761,233,063.38/594,725.39
  6. Step 6: Final answer
    x = 487,218.54

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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.