Home / 857,271.30-1,285,644.42-592,731.78

Finding the Fourth Proportional to 857,271.30, 1,285,644.42 and 592,731.78

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Solution

The fourth proportional to 857,271.30, 1,285,644.42 and 592,731.78 is: 888,916.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,271.30 : 1,285,644.42 = 592,731.78 : x
  2. Step 2: Convert to fraction form
    857,271.30/1,285,644.42 = 592,731.78/x
  3. Step 3: Cross multiply
    857,271.30x = 1,285,644.42 × 592,731.78
  4. Step 4: Simplify right side
    857,271.30x = 762,042,305,513.67
  5. Step 5: Solve for x
    x = 762,042,305,513.67/857,271.30
  6. Step 6: Final answer
    x = 888,916.15

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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.