Home / 806,824.80-1,210,237.20-215,848.80

Finding the Fourth Proportional to 806,824.80, 1,210,237.20 and 215,848.80

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Solution

The fourth proportional to 806,824.80, 1,210,237.20 and 215,848.80 is: 323,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,824.80 : 1,210,237.20 = 215,848.80 : x
  2. Step 2: Convert to fraction form
    806,824.80/1,210,237.20 = 215,848.80/x
  3. Step 3: Cross multiply
    806,824.80x = 1,210,237.20 × 215,848.80
  4. Step 4: Simplify right side
    806,824.80x = 261,228,247,335.36
  5. Step 5: Solve for x
    x = 261,228,247,335.36/806,824.80
  6. Step 6: Final answer
    x = 323,773.20

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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.