Home / 500,928.24-691,351.84-310,003.14

Finding the Fourth Proportional to 500,928.24, 691,351.84 and 310,003.14

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Solution

The fourth proportional to 500,928.24, 691,351.84 and 310,003.14 is: 427,848.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,928.24 : 691,351.84 = 310,003.14 : x
  2. Step 2: Convert to fraction form
    500,928.24/691,351.84 = 310,003.14/x
  3. Step 3: Cross multiply
    500,928.24x = 691,351.84 × 310,003.14
  4. Step 4: Simplify right side
    500,928.24x = 214,321,241,244.78
  5. Step 5: Solve for x
    x = 214,321,241,244.78/500,928.24
  6. Step 6: Final answer
    x = 427,848.19

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1.5x scale

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.