Home / 906,629.40-1,359,944.10-275,461.20

Finding the Fourth Proportional to 906,629.40, 1,359,944.10 and 275,461.20

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Solution

The fourth proportional to 906,629.40, 1,359,944.10 and 275,461.20 is: 413,191.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,629.40 : 1,359,944.10 = 275,461.20 : x
  2. Step 2: Convert to fraction form
    906,629.40/1,359,944.10 = 275,461.20/x
  3. Step 3: Cross multiply
    906,629.40x = 1,359,944.10 × 275,461.20
  4. Step 4: Simplify right side
    906,629.40x = 374,611,833,718.92
  5. Step 5: Solve for x
    x = 374,611,833,718.92/906,629.40
  6. Step 6: Final answer
    x = 413,191.80

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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.