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Finding the Fourth Proportional to 595,856.12, 822,546.51 and 354,216.92

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Solution

The fourth proportional to 595,856.12, 822,546.51 and 354,216.92 is: 488,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,856.12 : 822,546.51 = 354,216.92 : x
  2. Step 2: Convert to fraction form
    595,856.12/822,546.51 = 354,216.92/x
  3. Step 3: Cross multiply
    595,856.12x = 822,546.51 × 354,216.92
  4. Step 4: Simplify right side
    595,856.12x = 291,359,891,328.95
  5. Step 5: Solve for x
    x = 291,359,891,328.95/595,856.12
  6. Step 6: Final answer
    x = 488,976.92

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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.