Home / 809,937.56-1,215,087.56-304,502.92

Finding the Fourth Proportional to 809,937.56, 1,215,087.56 and 304,502.92

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Solution

The fourth proportional to 809,937.56, 1,215,087.56 and 304,502.92 is: 456,822.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,937.56 : 1,215,087.56 = 304,502.92 : x
  2. Step 2: Convert to fraction form
    809,937.56/1,215,087.56 = 304,502.92/x
  3. Step 3: Cross multiply
    809,937.56x = 1,215,087.56 × 304,502.92
  4. Step 4: Simplify right side
    809,937.56x = 369,997,706,086.39
  5. Step 5: Solve for x
    x = 369,997,706,086.39/809,937.56
  6. Step 6: Final answer
    x = 456,822.50

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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.