Home / 857,749.44-1,287,043.35-606,643.59

Finding the Fourth Proportional to 857,749.44, 1,287,043.35 and 606,643.59

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Solution

The fourth proportional to 857,749.44, 1,287,043.35 and 606,643.59 is: 910,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,749.44 : 1,287,043.35 = 606,643.59 : x
  2. Step 2: Convert to fraction form
    857,749.44/1,287,043.35 = 606,643.59/x
  3. Step 3: Cross multiply
    857,749.44x = 1,287,043.35 × 606,643.59
  4. Step 4: Simplify right side
    857,749.44x = 780,776,598,329.63
  5. Step 5: Solve for x
    x = 780,776,598,329.63/857,749.44
  6. Step 6: Final answer
    x = 910,261.86

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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.