Home / 736,971.33-1,103,685.48-420,468.69

Finding the Fourth Proportional to 736,971.33, 1,103,685.48 and 420,468.69

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Solution

The fourth proportional to 736,971.33, 1,103,685.48 and 420,468.69 is: 629,692.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,971.33 : 1,103,685.48 = 420,468.69 : x
  2. Step 2: Convert to fraction form
    736,971.33/1,103,685.48 = 420,468.69/x
  3. Step 3: Cross multiply
    736,971.33x = 1,103,685.48 × 420,468.69
  4. Step 4: Simplify right side
    736,971.33x = 464,065,187,947.62
  5. Step 5: Solve for x
    x = 464,065,187,947.62/736,971.33
  6. Step 6: Final answer
    x = 629,692.32

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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.