Home / 749,143.97-1,034,099.81-491,037.54

Finding the Fourth Proportional to 749,143.97, 1,034,099.81 and 491,037.54

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Solution

The fourth proportional to 749,143.97, 1,034,099.81 and 491,037.54 is: 677,816.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.97 : 1,034,099.81 = 491,037.54 : x
  2. Step 2: Convert to fraction form
    749,143.97/1,034,099.81 = 491,037.54/x
  3. Step 3: Cross multiply
    749,143.97x = 1,034,099.81 × 491,037.54
  4. Step 4: Simplify right side
    749,143.97x = 507,781,825,654.31
  5. Step 5: Solve for x
    x = 507,781,825,654.31/749,143.97
  6. Step 6: Final answer
    x = 677,816.08

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Double scale
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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.