Home / 786,571.22-1,085,551.52-480,826.59

Finding the Fourth Proportional to 786,571.22, 1,085,551.52 and 480,826.59

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Solution

The fourth proportional to 786,571.22, 1,085,551.52 and 480,826.59 is: 663,591.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,571.22 : 1,085,551.52 = 480,826.59 : x
  2. Step 2: Convert to fraction form
    786,571.22/1,085,551.52 = 480,826.59/x
  3. Step 3: Cross multiply
    786,571.22x = 1,085,551.52 × 480,826.59
  4. Step 4: Simplify right side
    786,571.22x = 521,962,035,630.92
  5. Step 5: Solve for x
    x = 521,962,035,630.92/786,571.22
  6. Step 6: Final answer
    x = 663,591.58

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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.