Home / 831,067.02-1,246,720.41-262,254.78

Finding the Fourth Proportional to 831,067.02, 1,246,720.41 and 262,254.78

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Solution

The fourth proportional to 831,067.02, 1,246,720.41 and 262,254.78 is: 393,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,067.02 : 1,246,720.41 = 262,254.78 : x
  2. Step 2: Convert to fraction form
    831,067.02/1,246,720.41 = 262,254.78/x
  3. Step 3: Cross multiply
    831,067.02x = 1,246,720.41 × 262,254.78
  4. Step 4: Simplify right side
    831,067.02x = 326,958,386,846.06
  5. Step 5: Solve for x
    x = 326,958,386,846.06/831,067.02
  6. Step 6: Final answer
    x = 393,420.00

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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.