Home / 522,948.81-784,319.94-143,771.76

Finding the Fourth Proportional to 522,948.81, 784,319.94 and 143,771.76

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Solution

The fourth proportional to 522,948.81, 784,319.94 and 143,771.76 is: 215,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,948.81 : 784,319.94 = 143,771.76 : x
  2. Step 2: Convert to fraction form
    522,948.81/784,319.94 = 143,771.76/x
  3. Step 3: Cross multiply
    522,948.81x = 784,319.94 × 143,771.76
  4. Step 4: Simplify right side
    522,948.81x = 112,763,057,772.54
  5. Step 5: Solve for x
    x = 112,763,057,772.54/522,948.81
  6. Step 6: Final answer
    x = 215,629.25

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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.