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Finding the Fourth Proportional to 595,252.78, 821,217.32 and 337,070.45

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Solution

The fourth proportional to 595,252.78, 821,217.32 and 337,070.45 is: 465,026.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,252.78 : 821,217.32 = 337,070.45 : x
  2. Step 2: Convert to fraction form
    595,252.78/821,217.32 = 337,070.45/x
  3. Step 3: Cross multiply
    595,252.78x = 821,217.32 × 337,070.45
  4. Step 4: Simplify right side
    595,252.78x = 276,808,091,600.19
  5. Step 5: Solve for x
    x = 276,808,091,600.19/595,252.78
  6. Step 6: Final answer
    x = 465,026.12

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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.