Home / 500,933.24-691,358.72-310,008.16

Finding the Fourth Proportional to 500,933.24, 691,358.72 and 310,008.16

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Solution

The fourth proportional to 500,933.24, 691,358.72 and 310,008.16 is: 427,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,933.24 : 691,358.72 = 310,008.16 : x
  2. Step 2: Convert to fraction form
    500,933.24/691,358.72 = 310,008.16/x
  3. Step 3: Cross multiply
    500,933.24x = 691,358.72 × 310,008.16
  4. Step 4: Simplify right side
    500,933.24x = 214,326,844,687.16
  5. Step 5: Solve for x
    x = 214,326,844,687.16/500,933.24
  6. Step 6: Final answer
    x = 427,855.11

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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.