Home / 857,761.07-1,287,060.84-606,655.26

Finding the Fourth Proportional to 857,761.07, 1,287,060.84 and 606,655.26

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Solution

The fourth proportional to 857,761.07, 1,287,060.84 and 606,655.26 is: 910,279.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,761.07 : 1,287,060.84 = 606,655.26 : x
  2. Step 2: Convert to fraction form
    857,761.07/1,287,060.84 = 606,655.26/x
  3. Step 3: Cross multiply
    857,761.07x = 1,287,060.84 × 606,655.26
  4. Step 4: Simplify right side
    857,761.07x = 780,802,228,526.02
  5. Step 5: Solve for x
    x = 780,802,228,526.02/857,761.07
  6. Step 6: Final answer
    x = 910,279.40

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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.