Home / 470,121.71-648,779.24-255,270.83

Finding the Fourth Proportional to 470,121.71, 648,779.24 and 255,270.83

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Solution

The fourth proportional to 470,121.71, 648,779.24 and 255,270.83 is: 352,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,121.71 : 648,779.24 = 255,270.83 : x
  2. Step 2: Convert to fraction form
    470,121.71/648,779.24 = 255,270.83/x
  3. Step 3: Cross multiply
    470,121.71x = 648,779.24 × 255,270.83
  4. Step 4: Simplify right side
    470,121.71x = 165,614,415,081.57
  5. Step 5: Solve for x
    x = 165,614,415,081.57/470,121.71
  6. Step 6: Final answer
    x = 352,279.87

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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.