Home / 470,645.68-649,496.06-255,785.76

Finding the Fourth Proportional to 470,645.68, 649,496.06 and 255,785.76

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Solution

The fourth proportional to 470,645.68, 649,496.06 and 255,785.76 is: 352,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,645.68 : 649,496.06 = 255,785.76 : x
  2. Step 2: Convert to fraction form
    470,645.68/649,496.06 = 255,785.76/x
  3. Step 3: Cross multiply
    470,645.68x = 649,496.06 × 255,785.76
  4. Step 4: Simplify right side
    470,645.68x = 166,131,838,797.70
  5. Step 5: Solve for x
    x = 166,131,838,797.70/470,645.68
  6. Step 6: Final answer
    x = 352,987.07

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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.