Home / 831,265.93-1,246,511.41-431,799.45

Finding the Fourth Proportional to 831,265.93, 1,246,511.41 and 431,799.45

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Solution

The fourth proportional to 831,265.93, 1,246,511.41 and 431,799.45 is: 647,497.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,265.93 : 1,246,511.41 = 431,799.45 : x
  2. Step 2: Convert to fraction form
    831,265.93/1,246,511.41 = 431,799.45/x
  3. Step 3: Cross multiply
    831,265.93x = 1,246,511.41 × 431,799.45
  4. Step 4: Simplify right side
    831,265.93x = 538,242,941,256.73
  5. Step 5: Solve for x
    x = 538,242,941,256.73/831,265.93
  6. Step 6: Final answer
    x = 647,497.90

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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.