Home / 807,137.48-1,210,540.98-301,605.14

Finding the Fourth Proportional to 807,137.48, 1,210,540.98 and 301,605.14

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Solution

The fourth proportional to 807,137.48, 1,210,540.98 and 301,605.14 is: 452,345.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,137.48 : 1,210,540.98 = 301,605.14 : x
  2. Step 2: Convert to fraction form
    807,137.48/1,210,540.98 = 301,605.14/x
  3. Step 3: Cross multiply
    807,137.48x = 1,210,540.98 × 301,605.14
  4. Step 4: Simplify right side
    807,137.48x = 365,105,377,214.26
  5. Step 5: Solve for x
    x = 365,105,377,214.26/807,137.48
  6. Step 6: Final answer
    x = 452,345.96

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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.