Home / 749,143.66-1,034,099.38-491,037.23

Finding the Fourth Proportional to 749,143.66, 1,034,099.38 and 491,037.23

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Solution

The fourth proportional to 749,143.66, 1,034,099.38 and 491,037.23 is: 677,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,143.66 : 1,034,099.38 = 491,037.23 : x
  2. Step 2: Convert to fraction form
    749,143.66/1,034,099.38 = 491,037.23/x
  3. Step 3: Cross multiply
    749,143.66x = 1,034,099.38 × 491,037.23
  4. Step 4: Simplify right side
    749,143.66x = 507,781,292,644.73
  5. Step 5: Solve for x
    x = 507,781,292,644.73/749,143.66
  6. Step 6: Final answer
    x = 677,815.65

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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.