Home / 808,622.16-1,212,933.24-453,885.36

Finding the Fourth Proportional to 808,622.16, 1,212,933.24 and 453,885.36

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Solution

The fourth proportional to 808,622.16, 1,212,933.24 and 453,885.36 is: 680,828.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,622.16 : 1,212,933.24 = 453,885.36 : x
  2. Step 2: Convert to fraction form
    808,622.16/1,212,933.24 = 453,885.36/x
  3. Step 3: Cross multiply
    808,622.16x = 1,212,933.24 × 453,885.36
  4. Step 4: Simplify right side
    808,622.16x = 550,532,640,293.37
  5. Step 5: Solve for x
    x = 550,532,640,293.37/808,622.16
  6. Step 6: Final answer
    x = 680,828.04

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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.