Home / 801,890.06-1,106,188.38-495,868.82

Finding the Fourth Proportional to 801,890.06, 1,106,188.38 and 495,868.82

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Solution

The fourth proportional to 801,890.06, 1,106,188.38 and 495,868.82 is: 684,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,890.06 : 1,106,188.38 = 495,868.82 : x
  2. Step 2: Convert to fraction form
    801,890.06/1,106,188.38 = 495,868.82/x
  3. Step 3: Cross multiply
    801,890.06x = 1,106,188.38 × 495,868.82
  4. Step 4: Simplify right side
    801,890.06x = 548,524,326,688.31
  5. Step 5: Solve for x
    x = 548,524,326,688.31/801,890.06
  6. Step 6: Final answer
    x = 684,039.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.