Home / 885,472.32-1,327,747.26-316,634.16

Finding the Fourth Proportional to 885,472.32, 1,327,747.26 and 316,634.16

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Solution

The fourth proportional to 885,472.32, 1,327,747.26 and 316,634.16 is: 474,786.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,472.32 : 1,327,747.26 = 316,634.16 : x
  2. Step 2: Convert to fraction form
    885,472.32/1,327,747.26 = 316,634.16/x
  3. Step 3: Cross multiply
    885,472.32x = 1,327,747.26 × 316,634.16
  4. Step 4: Simplify right side
    885,472.32x = 420,410,138,362.40
  5. Step 5: Solve for x
    x = 420,410,138,362.40/885,472.32
  6. Step 6: Final answer
    x = 474,786.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.