Home / 857,228.24-1,284,598.20-482,450.96

Finding the Fourth Proportional to 857,228.24, 1,284,598.20 and 482,450.96

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Solution

The fourth proportional to 857,228.24, 1,284,598.20 and 482,450.96 is: 722,976.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,228.24 : 1,284,598.20 = 482,450.96 : x
  2. Step 2: Convert to fraction form
    857,228.24/1,284,598.20 = 482,450.96/x
  3. Step 3: Cross multiply
    857,228.24x = 1,284,598.20 × 482,450.96
  4. Step 4: Simplify right side
    857,228.24x = 619,755,634,804.27
  5. Step 5: Solve for x
    x = 619,755,634,804.27/857,228.24
  6. Step 6: Final answer
    x = 722,976.22

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1.5x scale

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.