Home / 828,948.98-1,143,902.66-466,388.12

Finding the Fourth Proportional to 828,948.98, 1,143,902.66 and 466,388.12

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Solution

The fourth proportional to 828,948.98, 1,143,902.66 and 466,388.12 is: 643,589.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,948.98 : 1,143,902.66 = 466,388.12 : x
  2. Step 2: Convert to fraction form
    828,948.98/1,143,902.66 = 466,388.12/x
  3. Step 3: Cross multiply
    828,948.98x = 1,143,902.66 × 466,388.12
  4. Step 4: Simplify right side
    828,948.98x = 533,502,611,060.40
  5. Step 5: Solve for x
    x = 533,502,611,060.40/828,948.98
  6. Step 6: Final answer
    x = 643,589.20

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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.