Home / 800,447.29-1,104,616.89-437,871.06

Finding the Fourth Proportional to 800,447.29, 1,104,616.89 and 437,871.06

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Solution

The fourth proportional to 800,447.29, 1,104,616.89 and 437,871.06 is: 604,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,447.29 : 1,104,616.89 = 437,871.06 : x
  2. Step 2: Convert to fraction form
    800,447.29/1,104,616.89 = 437,871.06/x
  3. Step 3: Cross multiply
    800,447.29x = 1,104,616.89 × 437,871.06
  4. Step 4: Simplify right side
    800,447.29x = 483,679,768,518.20
  5. Step 5: Solve for x
    x = 483,679,768,518.20/800,447.29
  6. Step 6: Final answer
    x = 604,261.86

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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.