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Finding the Fourth Proportional to 617,294.15, 851,899.01 and 345,345.82

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Solution

The fourth proportional to 617,294.15, 851,899.01 and 345,345.82 is: 476,595.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,294.15 : 851,899.01 = 345,345.82 : x
  2. Step 2: Convert to fraction form
    617,294.15/851,899.01 = 345,345.82/x
  3. Step 3: Cross multiply
    617,294.15x = 851,899.01 × 345,345.82
  4. Step 4: Simplify right side
    617,294.15x = 294,199,762,165.64
  5. Step 5: Solve for x
    x = 294,199,762,165.64/617,294.15
  6. Step 6: Final answer
    x = 476,595.74

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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.