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Finding the Fourth Proportional to 598,090.53, 825,384.78 and 326,173.26

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Solution

The fourth proportional to 598,090.53, 825,384.78 and 326,173.26 is: 450,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,090.53 : 825,384.78 = 326,173.26 : x
  2. Step 2: Convert to fraction form
    598,090.53/825,384.78 = 326,173.26/x
  3. Step 3: Cross multiply
    598,090.53x = 825,384.78 × 326,173.26
  4. Step 4: Simplify right side
    598,090.53x = 269,218,444,446.98
  5. Step 5: Solve for x
    x = 269,218,444,446.98/598,090.53
  6. Step 6: Final answer
    x = 450,129.92

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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.