Home / 857,389.24-1,285,821.10-592,849.72

Finding the Fourth Proportional to 857,389.24, 1,285,821.10 and 592,849.72

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Solution

The fourth proportional to 857,389.24, 1,285,821.10 and 592,849.72 is: 889,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,389.24 : 1,285,821.10 = 592,849.72 : x
  2. Step 2: Convert to fraction form
    857,389.24/1,285,821.10 = 592,849.72/x
  3. Step 3: Cross multiply
    857,389.24x = 1,285,821.10 × 592,849.72
  4. Step 4: Simplify right side
    857,389.24x = 762,298,679,105.09
  5. Step 5: Solve for x
    x = 762,298,679,105.09/857,389.24
  6. Step 6: Final answer
    x = 889,092.89

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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.