Home / 804,985.80-1,207,466.13-205,941.78

Finding the Fourth Proportional to 804,985.80, 1,207,466.13 and 205,941.78

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Solution

The fourth proportional to 804,985.80, 1,207,466.13 and 205,941.78 is: 308,909.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,985.80 : 1,207,466.13 = 205,941.78 : x
  2. Step 2: Convert to fraction form
    804,985.80/1,207,466.13 = 205,941.78/x
  3. Step 3: Cross multiply
    804,985.80x = 1,207,466.13 × 205,941.78
  4. Step 4: Simplify right side
    804,985.80x = 248,667,724,101.91
  5. Step 5: Solve for x
    x = 248,667,724,101.91/804,985.80
  6. Step 6: Final answer
    x = 308,909.45

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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.