Home / 854,621.45-1,179,398.27-467,473.24

Finding the Fourth Proportional to 854,621.45, 1,179,398.27 and 467,473.24

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Solution

The fourth proportional to 854,621.45, 1,179,398.27 and 467,473.24 is: 645,124.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,621.45 : 1,179,398.27 = 467,473.24 : x
  2. Step 2: Convert to fraction form
    854,621.45/1,179,398.27 = 467,473.24/x
  3. Step 3: Cross multiply
    854,621.45x = 1,179,398.27 × 467,473.24
  4. Step 4: Simplify right side
    854,621.45x = 551,337,128,747.48
  5. Step 5: Solve for x
    x = 551,337,128,747.48/854,621.45
  6. Step 6: Final answer
    x = 645,124.38

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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.