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Finding the Fourth Proportional to 503,995.90, 756,104.50 and 370,471.35

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Solution

The fourth proportional to 503,995.90, 756,104.50 and 370,471.35 is: 555,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,995.90 : 756,104.50 = 370,471.35 : x
  2. Step 2: Convert to fraction form
    503,995.90/756,104.50 = 370,471.35/x
  3. Step 3: Cross multiply
    503,995.90x = 756,104.50 × 370,471.35
  4. Step 4: Simplify right side
    503,995.90x = 280,115,056,665.90
  5. Step 5: Solve for x
    x = 280,115,056,665.90/503,995.90
  6. Step 6: Final answer
    x = 555,788.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.