Home / 909,896.82-1,255,661.85-502,003.62

Finding the Fourth Proportional to 909,896.82, 1,255,661.85 and 502,003.62

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Solution

The fourth proportional to 909,896.82, 1,255,661.85 and 502,003.62 is: 692,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,896.82 : 1,255,661.85 = 502,003.62 : x
  2. Step 2: Convert to fraction form
    909,896.82/1,255,661.85 = 502,003.62/x
  3. Step 3: Cross multiply
    909,896.82x = 1,255,661.85 × 502,003.62
  4. Step 4: Simplify right side
    909,896.82x = 630,346,794,195.90
  5. Step 5: Solve for x
    x = 630,346,794,195.90/909,896.82
  6. Step 6: Final answer
    x = 692,767.33

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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.