Home / 654,665.24-903,562.04-409,763.56

Finding the Fourth Proportional to 654,665.24, 903,562.04 and 409,763.56

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Solution

The fourth proportional to 654,665.24, 903,562.04 and 409,763.56 is: 565,551.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,665.24 : 903,562.04 = 409,763.56 : x
  2. Step 2: Convert to fraction form
    654,665.24/903,562.04 = 409,763.56/x
  3. Step 3: Cross multiply
    654,665.24x = 903,562.04 × 409,763.56
  4. Step 4: Simplify right side
    654,665.24x = 370,246,798,191.26
  5. Step 5: Solve for x
    x = 370,246,798,191.26/654,665.24
  6. Step 6: Final answer
    x = 565,551.33

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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.