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Finding the Fourth Proportional to 595,373.48, 821,612.08 and 323,439.20

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Solution

The fourth proportional to 595,373.48, 821,612.08 and 323,439.20 is: 446,344.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,373.48 : 821,612.08 = 323,439.20 : x
  2. Step 2: Convert to fraction form
    595,373.48/821,612.08 = 323,439.20/x
  3. Step 3: Cross multiply
    595,373.48x = 821,612.08 × 323,439.20
  4. Step 4: Simplify right side
    595,373.48x = 265,741,553,865.54
  5. Step 5: Solve for x
    x = 265,741,553,865.54/595,373.48
  6. Step 6: Final answer
    x = 446,344.29

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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.