Home / 801,921.72-1,106,652.83-434,399.71

Finding the Fourth Proportional to 801,921.72, 1,106,652.83 and 434,399.71

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Solution

The fourth proportional to 801,921.72, 1,106,652.83 and 434,399.71 is: 599,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,921.72 : 1,106,652.83 = 434,399.71 : x
  2. Step 2: Convert to fraction form
    801,921.72/1,106,652.83 = 434,399.71/x
  3. Step 3: Cross multiply
    801,921.72x = 1,106,652.83 × 434,399.71
  4. Step 4: Simplify right side
    801,921.72x = 480,729,668,002.52
  5. Step 5: Solve for x
    x = 480,729,668,002.52/801,921.72
  6. Step 6: Final answer
    x = 599,472.06

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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.