Home / 856,687.82-1,182,236.20-474,720.98

Finding the Fourth Proportional to 856,687.82, 1,182,236.20 and 474,720.98

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Solution

The fourth proportional to 856,687.82, 1,182,236.20 and 474,720.98 is: 655,118.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,687.82 : 1,182,236.20 = 474,720.98 : x
  2. Step 2: Convert to fraction form
    856,687.82/1,182,236.20 = 474,720.98/x
  3. Step 3: Cross multiply
    856,687.82x = 1,182,236.20 × 474,720.98
  4. Step 4: Simplify right side
    856,687.82x = 561,232,327,455.48
  5. Step 5: Solve for x
    x = 561,232,327,455.48/856,687.82
  6. Step 6: Final answer
    x = 655,118.84

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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.