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Finding the Fourth Proportional to 609,086.65, 840,529.40 and 337,148.71

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Solution

The fourth proportional to 609,086.65, 840,529.40 and 337,148.71 is: 465,259.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,086.65 : 840,529.40 = 337,148.71 : x
  2. Step 2: Convert to fraction form
    609,086.65/840,529.40 = 337,148.71/x
  3. Step 3: Cross multiply
    609,086.65x = 840,529.40 × 337,148.71
  4. Step 4: Simplify right side
    609,086.65x = 283,383,402,927.07
  5. Step 5: Solve for x
    x = 283,383,402,927.07/609,086.65
  6. Step 6: Final answer
    x = 465,259.59

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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.