Home / 808,415.27-1,212,747.47-275,812.15

Finding the Fourth Proportional to 808,415.27, 1,212,747.47 and 275,812.15

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Solution

The fourth proportional to 808,415.27, 1,212,747.47 and 275,812.15 is: 413,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,415.27 : 1,212,747.47 = 275,812.15 : x
  2. Step 2: Convert to fraction form
    808,415.27/1,212,747.47 = 275,812.15/x
  3. Step 3: Cross multiply
    808,415.27x = 1,212,747.47 × 275,812.15
  4. Step 4: Simplify right side
    808,415.27x = 334,490,487,107.76
  5. Step 5: Solve for x
    x = 334,490,487,107.76/808,415.27
  6. Step 6: Final answer
    x = 413,760.72

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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.