Home / 831,646.62-1,147,666.73-469,073.48

Finding the Fourth Proportional to 831,646.62, 1,147,666.73 and 469,073.48

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Solution

The fourth proportional to 831,646.62, 1,147,666.73 and 469,073.48 is: 647,318.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,646.62 : 1,147,666.73 = 469,073.48 : x
  2. Step 2: Convert to fraction form
    831,646.62/1,147,666.73 = 469,073.48/x
  3. Step 3: Cross multiply
    831,646.62x = 1,147,666.73 × 469,073.48
  4. Step 4: Simplify right side
    831,646.62x = 538,340,018,837.62
  5. Step 5: Solve for x
    x = 538,340,018,837.62/831,646.62
  6. Step 6: Final answer
    x = 647,318.23

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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.