Home / 851,280.80-1,275,884.40-377,463.20

Finding the Fourth Proportional to 851,280.80, 1,275,884.40 and 377,463.20

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Solution

The fourth proportional to 851,280.80, 1,275,884.40 and 377,463.20 is: 565,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,280.80 : 1,275,884.40 = 377,463.20 : x
  2. Step 2: Convert to fraction form
    851,280.80/1,275,884.40 = 377,463.20/x
  3. Step 3: Cross multiply
    851,280.80x = 1,275,884.40 × 377,463.20
  4. Step 4: Simplify right side
    851,280.80x = 481,599,408,454.08
  5. Step 5: Solve for x
    x = 481,599,408,454.08/851,280.80
  6. Step 6: Final answer
    x = 565,735.08

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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.