Home / 789,002.80-1,182,848.10-415,025.80

Finding the Fourth Proportional to 789,002.80, 1,182,848.10 and 415,025.80

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Solution

The fourth proportional to 789,002.80, 1,182,848.10 and 415,025.80 is: 622,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,002.80 : 1,182,848.10 = 415,025.80 : x
  2. Step 2: Convert to fraction form
    789,002.80/1,182,848.10 = 415,025.80/x
  3. Step 3: Cross multiply
    789,002.80x = 1,182,848.10 × 415,025.80
  4. Step 4: Simplify right side
    789,002.80x = 490,912,478,980.98
  5. Step 5: Solve for x
    x = 490,912,478,980.98/789,002.80
  6. Step 6: Final answer
    x = 622,193.58

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1.5x scale

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.