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Finding the Fourth Proportional to 592,673.88, 817,883.70 and 320,735.88

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Solution

The fourth proportional to 592,673.88, 817,883.70 and 320,735.88 is: 442,612.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,673.88 : 817,883.70 = 320,735.88 : x
  2. Step 2: Convert to fraction form
    592,673.88/817,883.70 = 320,735.88/x
  3. Step 3: Cross multiply
    592,673.88x = 817,883.70 × 320,735.88
  4. Step 4: Simplify right side
    592,673.88x = 262,324,648,257.16
  5. Step 5: Solve for x
    x = 262,324,648,257.16/592,673.88
  6. Step 6: Final answer
    x = 442,612.13

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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.