Home / 831,621.72-1,147,376-508,995.48

Finding the Fourth Proportional to 831,621.72, 1,147,376 and 508,995.48

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Solution

The fourth proportional to 831,621.72, 1,147,376 and 508,995.48 is: 702,253.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,621.72 : 1,147,376 = 508,995.48 : x
  2. Step 2: Convert to fraction form
    831,621.72/1,147,376 = 508,995.48/x
  3. Step 3: Cross multiply
    831,621.72x = 1,147,376 × 508,995.48
  4. Step 4: Simplify right side
    831,621.72x = 584,009,197,860.48
  5. Step 5: Solve for x
    x = 584,009,197,860.48/831,621.72
  6. Step 6: Final answer
    x = 702,253.42

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Similar ratio
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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.