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Finding the Fourth Proportional to 598,057.16, 825,303.89 and 326,130.29

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Solution

The fourth proportional to 598,057.16, 825,303.89 and 326,130.29 is: 450,051.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,057.16 : 825,303.89 = 326,130.29 : x
  2. Step 2: Convert to fraction form
    598,057.16/825,303.89 = 326,130.29/x
  3. Step 3: Cross multiply
    598,057.16x = 825,303.89 × 326,130.29
  4. Step 4: Simplify right side
    598,057.16x = 269,156,591,226.66
  5. Step 5: Solve for x
    x = 269,156,591,226.66/598,057.16
  6. Step 6: Final answer
    x = 450,051.62

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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.