Home / 906,019.36-1,359,037.28-274,933.20

Finding the Fourth Proportional to 906,019.36, 1,359,037.28 and 274,933.20

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Solution

The fourth proportional to 906,019.36, 1,359,037.28 and 274,933.20 is: 412,402.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,019.36 : 1,359,037.28 = 274,933.20 : x
  2. Step 2: Convert to fraction form
    906,019.36/1,359,037.28 = 274,933.20/x
  3. Step 3: Cross multiply
    906,019.36x = 1,359,037.28 × 274,933.20
  4. Step 4: Simplify right side
    906,019.36x = 373,644,468,309.70
  5. Step 5: Solve for x
    x = 373,644,468,309.70/906,019.36
  6. Step 6: Final answer
    x = 412,402.30

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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.