Home / 906,675.90-1,251,173.22-498,751.85

Finding the Fourth Proportional to 906,675.90, 1,251,173.22 and 498,751.85

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Solution

The fourth proportional to 906,675.90, 1,251,173.22 and 498,751.85 is: 688,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,675.90 : 1,251,173.22 = 498,751.85 : x
  2. Step 2: Convert to fraction form
    906,675.90/1,251,173.22 = 498,751.85/x
  3. Step 3: Cross multiply
    906,675.90x = 1,251,173.22 × 498,751.85
  4. Step 4: Simplify right side
    906,675.90x = 624,024,958,145.46
  5. Step 5: Solve for x
    x = 624,024,958,145.46/906,675.90
  6. Step 6: Final answer
    x = 688,255.81

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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.