Home / 831,398.88-1,147,244.84-613,723.36

Finding the Fourth Proportional to 831,398.88, 1,147,244.84 and 613,723.36

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Solution

The fourth proportional to 831,398.88, 1,147,244.84 and 613,723.36 is: 846,875.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,398.88 : 1,147,244.84 = 613,723.36 : x
  2. Step 2: Convert to fraction form
    831,398.88/1,147,244.84 = 613,723.36/x
  3. Step 3: Cross multiply
    831,398.88x = 1,147,244.84 × 613,723.36
  4. Step 4: Simplify right side
    831,398.88x = 704,090,957,947.46
  5. Step 5: Solve for x
    x = 704,090,957,947.46/831,398.88
  6. Step 6: Final answer
    x = 846,875.04

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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.