Home / 694,043.80-1,043,139.30-602,805.40

Finding the Fourth Proportional to 694,043.80, 1,043,139.30 and 602,805.40

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Solution

The fourth proportional to 694,043.80, 1,043,139.30 and 602,805.40 is: 906,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,043.80 : 1,043,139.30 = 602,805.40 : x
  2. Step 2: Convert to fraction form
    694,043.80/1,043,139.30 = 602,805.40/x
  3. Step 3: Cross multiply
    694,043.80x = 1,043,139.30 × 602,805.40
  4. Step 4: Simplify right side
    694,043.80x = 628,810,002,992.22
  5. Step 5: Solve for x
    x = 628,810,002,992.22/694,043.80
  6. Step 6: Final answer
    x = 906,009.11

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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.