Home / 756,692.72-1,043,645.47-484,785.92

Finding the Fourth Proportional to 756,692.72, 1,043,645.47 and 484,785.92

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Solution

The fourth proportional to 756,692.72, 1,043,645.47 and 484,785.92 is: 668,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,692.72 : 1,043,645.47 = 484,785.92 : x
  2. Step 2: Convert to fraction form
    756,692.72/1,043,645.47 = 484,785.92/x
  3. Step 3: Cross multiply
    756,692.72x = 1,043,645.47 × 484,785.92
  4. Step 4: Simplify right side
    756,692.72x = 505,944,628,996.86
  5. Step 5: Solve for x
    x = 505,944,628,996.86/756,692.72
  6. Step 6: Final answer
    x = 668,626.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.