Home / 855,509.30-1,180,865.65-493,175.37

Finding the Fourth Proportional to 855,509.30, 1,180,865.65 and 493,175.37

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Solution

The fourth proportional to 855,509.30, 1,180,865.65 and 493,175.37 is: 680,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,509.30 : 1,180,865.65 = 493,175.37 : x
  2. Step 2: Convert to fraction form
    855,509.30/1,180,865.65 = 493,175.37/x
  3. Step 3: Cross multiply
    855,509.30x = 1,180,865.65 × 493,175.37
  4. Step 4: Simplify right side
    855,509.30x = 582,373,853,859.04
  5. Step 5: Solve for x
    x = 582,373,853,859.04/855,509.30
  6. Step 6: Final answer
    x = 680,733.52

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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.