Home / 434,044.27-650,279.03-320,473.36

Finding the Fourth Proportional to 434,044.27, 650,279.03 and 320,473.36

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Solution

The fourth proportional to 434,044.27, 650,279.03 and 320,473.36 is: 480,128.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,044.27 : 650,279.03 = 320,473.36 : x
  2. Step 2: Convert to fraction form
    434,044.27/650,279.03 = 320,473.36/x
  3. Step 3: Cross multiply
    434,044.27x = 650,279.03 × 320,473.36
  4. Step 4: Simplify right side
    434,044.27x = 208,397,102,430.25
  5. Step 5: Solve for x
    x = 208,397,102,430.25/434,044.27
  6. Step 6: Final answer
    x = 480,128.69

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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.