Home / 557,919.48-769,871.34-331,521.24

Finding the Fourth Proportional to 557,919.48, 769,871.34 and 331,521.24

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Solution

The fourth proportional to 557,919.48, 769,871.34 and 331,521.24 is: 457,465.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,919.48 : 769,871.34 = 331,521.24 : x
  2. Step 2: Convert to fraction form
    557,919.48/769,871.34 = 331,521.24/x
  3. Step 3: Cross multiply
    557,919.48x = 769,871.34 × 331,521.24
  4. Step 4: Simplify right side
    557,919.48x = 255,228,701,277.26
  5. Step 5: Solve for x
    x = 255,228,701,277.26/557,919.48
  6. Step 6: Final answer
    x = 457,465.12

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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.