Home / 831,410.87-1,246,562.45-298,862.71

Finding the Fourth Proportional to 831,410.87, 1,246,562.45 and 298,862.71

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Solution

The fourth proportional to 831,410.87, 1,246,562.45 and 298,862.71 is: 448,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,410.87 : 1,246,562.45 = 298,862.71 : x
  2. Step 2: Convert to fraction form
    831,410.87/1,246,562.45 = 298,862.71/x
  3. Step 3: Cross multiply
    831,410.87x = 1,246,562.45 × 298,862.71
  4. Step 4: Simplify right side
    831,410.87x = 372,551,027,380.52
  5. Step 5: Solve for x
    x = 372,551,027,380.52/831,410.87
  6. Step 6: Final answer
    x = 448,094.97

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1.5x scale

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.