Home / 857,743.44-1,287,034.34-606,637.58

Finding the Fourth Proportional to 857,743.44, 1,287,034.34 and 606,637.58

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Solution

The fourth proportional to 857,743.44, 1,287,034.34 and 606,637.58 is: 910,252.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,743.44 : 1,287,034.34 = 606,637.58 : x
  2. Step 2: Convert to fraction form
    857,743.44/1,287,034.34 = 606,637.58/x
  3. Step 3: Cross multiply
    857,743.44x = 1,287,034.34 × 606,637.58
  4. Step 4: Simplify right side
    857,743.44x = 780,763,387,926.14
  5. Step 5: Solve for x
    x = 780,763,387,926.14/857,743.44
  6. Step 6: Final answer
    x = 910,252.82

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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.