Home / 857,754.84-1,285,008.15-572,585.43

Finding the Fourth Proportional to 857,754.84, 1,285,008.15 and 572,585.43

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Solution

The fourth proportional to 857,754.84, 1,285,008.15 and 572,585.43 is: 857,793.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,754.84 : 1,285,008.15 = 572,585.43 : x
  2. Step 2: Convert to fraction form
    857,754.84/1,285,008.15 = 572,585.43/x
  3. Step 3: Cross multiply
    857,754.84x = 1,285,008.15 × 572,585.43
  4. Step 4: Simplify right side
    857,754.84x = 735,776,944,121.26
  5. Step 5: Solve for x
    x = 735,776,944,121.26/857,754.84
  6. Step 6: Final answer
    x = 857,793.99

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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.