Home / 808,743.90-1,213,115.85-798,246.30

Finding the Fourth Proportional to 808,743.90, 1,213,115.85 and 798,246.30

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Solution

The fourth proportional to 808,743.90, 1,213,115.85 and 798,246.30 is: 1,197,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,743.90 : 1,213,115.85 = 798,246.30 : x
  2. Step 2: Convert to fraction form
    808,743.90/1,213,115.85 = 798,246.30/x
  3. Step 3: Cross multiply
    808,743.90x = 1,213,115.85 × 798,246.30
  4. Step 4: Simplify right side
    808,743.90x = 968,365,238,733.86
  5. Step 5: Solve for x
    x = 968,365,238,733.86/808,743.90
  6. Step 6: Final answer
    x = 1,197,369.45

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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.