Home / 857,381.24-1,285,809.10-592,841.72

Finding the Fourth Proportional to 857,381.24, 1,285,809.10 and 592,841.72

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Solution

The fourth proportional to 857,381.24, 1,285,809.10 and 592,841.72 is: 889,080.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,381.24 : 1,285,809.10 = 592,841.72 : x
  2. Step 2: Convert to fraction form
    857,381.24/1,285,809.10 = 592,841.72/x
  3. Step 3: Cross multiply
    857,381.24x = 1,285,809.10 × 592,841.72
  4. Step 4: Simplify right side
    857,381.24x = 762,281,278,435.65
  5. Step 5: Solve for x
    x = 762,281,278,435.65/857,381.24
  6. Step 6: Final answer
    x = 889,080.89

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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.