Home / 620,520.28-929,919.27-282,735.43

Finding the Fourth Proportional to 620,520.28, 929,919.27 and 282,735.43

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Solution

The fourth proportional to 620,520.28, 929,919.27 and 282,735.43 is: 423,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,520.28 : 929,919.27 = 282,735.43 : x
  2. Step 2: Convert to fraction form
    620,520.28/929,919.27 = 282,735.43/x
  3. Step 3: Cross multiply
    620,520.28x = 929,919.27 × 282,735.43
  4. Step 4: Simplify right side
    620,520.28x = 262,921,124,668.74
  5. Step 5: Solve for x
    x = 262,921,124,668.74/620,520.28
  6. Step 6: Final answer
    x = 423,710.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.