Home / 841,669.80-1,262,504.70-420,793.80

Finding the Fourth Proportional to 841,669.80, 1,262,504.70 and 420,793.80

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Solution

The fourth proportional to 841,669.80, 1,262,504.70 and 420,793.80 is: 631,190.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,669.80 : 1,262,504.70 = 420,793.80 : x
  2. Step 2: Convert to fraction form
    841,669.80/1,262,504.70 = 420,793.80/x
  3. Step 3: Cross multiply
    841,669.80x = 1,262,504.70 × 420,793.80
  4. Step 4: Simplify right side
    841,669.80x = 531,254,150,230.86
  5. Step 5: Solve for x
    x = 531,254,150,230.86/841,669.80
  6. Step 6: Final answer
    x = 631,190.70

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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.