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Finding the Fourth Proportional to 573,771.46, 791,708.41 and 319,088.58

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Solution

The fourth proportional to 573,771.46, 791,708.41 and 319,088.58 is: 440,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,771.46 : 791,708.41 = 319,088.58 : x
  2. Step 2: Convert to fraction form
    573,771.46/791,708.41 = 319,088.58/x
  3. Step 3: Cross multiply
    573,771.46x = 791,708.41 × 319,088.58
  4. Step 4: Simplify right side
    573,771.46x = 252,625,112,320.96
  5. Step 5: Solve for x
    x = 252,625,112,320.96/573,771.46
  6. Step 6: Final answer
    x = 440,288.74

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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.