Home / 735,424.80-1,102,352.40-419,200.80

Finding the Fourth Proportional to 735,424.80, 1,102,352.40 and 419,200.80

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Solution

The fourth proportional to 735,424.80, 1,102,352.40 and 419,200.80 is: 628,353.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,424.80 : 1,102,352.40 = 419,200.80 : x
  2. Step 2: Convert to fraction form
    735,424.80/1,102,352.40 = 419,200.80/x
  3. Step 3: Cross multiply
    735,424.80x = 1,102,352.40 × 419,200.80
  4. Step 4: Simplify right side
    735,424.80x = 462,107,007,961.92
  5. Step 5: Solve for x
    x = 462,107,007,961.92/735,424.80
  6. Step 6: Final answer
    x = 628,353.85

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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.