Home / 806,015.20-1,209,897.60-629,305.60

Finding the Fourth Proportional to 806,015.20, 1,209,897.60 and 629,305.60

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Solution

The fourth proportional to 806,015.20, 1,209,897.60 and 629,305.60 is: 944,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,015.20 : 1,209,897.60 = 629,305.60 : x
  2. Step 2: Convert to fraction form
    806,015.20/1,209,897.60 = 629,305.60/x
  3. Step 3: Cross multiply
    806,015.20x = 1,209,897.60 × 629,305.60
  4. Step 4: Simplify right side
    806,015.20x = 761,395,335,106.56
  5. Step 5: Solve for x
    x = 761,395,335,106.56/806,015.20
  6. Step 6: Final answer
    x = 944,641.41

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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.