Home / 831,181.48-1,146,972.90-468,618.28

Finding the Fourth Proportional to 831,181.48, 1,146,972.90 and 468,618.28

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Solution

The fourth proportional to 831,181.48, 1,146,972.90 and 468,618.28 is: 646,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,181.48 : 1,146,972.90 = 468,618.28 : x
  2. Step 2: Convert to fraction form
    831,181.48/1,146,972.90 = 468,618.28/x
  3. Step 3: Cross multiply
    831,181.48x = 1,146,972.90 × 468,618.28
  4. Step 4: Simplify right side
    831,181.48x = 537,492,467,604.61
  5. Step 5: Solve for x
    x = 537,492,467,604.61/831,181.48
  6. Step 6: Final answer
    x = 646,660.78

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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.