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Finding the Fourth Proportional to 598,363.56, 825,745.68 and 326,435.76

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Solution

The fourth proportional to 598,363.56, 825,745.68 and 326,435.76 is: 450,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,363.56 : 825,745.68 = 326,435.76 : x
  2. Step 2: Convert to fraction form
    598,363.56/825,745.68 = 326,435.76/x
  3. Step 3: Cross multiply
    598,363.56x = 825,745.68 × 326,435.76
  4. Step 4: Simplify right side
    598,363.56x = 269,552,918,617.52
  5. Step 5: Solve for x
    x = 269,552,918,617.52/598,363.56
  6. Step 6: Final answer
    x = 450,483.51

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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.