Home / 841,037.30-1,261,901.55-308,813.30

Finding the Fourth Proportional to 841,037.30, 1,261,901.55 and 308,813.30

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Solution

The fourth proportional to 841,037.30, 1,261,901.55 and 308,813.30 is: 463,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,037.30 : 1,261,901.55 = 308,813.30 : x
  2. Step 2: Convert to fraction form
    841,037.30/1,261,901.55 = 308,813.30/x
  3. Step 3: Cross multiply
    841,037.30x = 1,261,901.55 × 308,813.30
  4. Step 4: Simplify right side
    841,037.30x = 389,691,981,930.62
  5. Step 5: Solve for x
    x = 389,691,981,930.62/841,037.30
  6. Step 6: Final answer
    x = 463,346.85

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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.