Home / 522,918.47-784,381.16-143,879.24

Finding the Fourth Proportional to 522,918.47, 784,381.16 and 143,879.24

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Solution

The fourth proportional to 522,918.47, 784,381.16 and 143,879.24 is: 215,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,918.47 : 784,381.16 = 143,879.24 : x
  2. Step 2: Convert to fraction form
    522,918.47/784,381.16 = 143,879.24/x
  3. Step 3: Cross multiply
    522,918.47x = 784,381.16 × 143,879.24
  4. Step 4: Simplify right side
    522,918.47x = 112,856,160,529.82
  5. Step 5: Solve for x
    x = 112,856,160,529.82/522,918.47
  6. Step 6: Final answer
    x = 215,819.80

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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.