Home / 566,301.38-781,319.93-321,245.80

Finding the Fourth Proportional to 566,301.38, 781,319.93 and 321,245.80

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Solution

The fourth proportional to 566,301.38, 781,319.93 and 321,245.80 is: 443,219.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,301.38 : 781,319.93 = 321,245.80 : x
  2. Step 2: Convert to fraction form
    566,301.38/781,319.93 = 321,245.80/x
  3. Step 3: Cross multiply
    566,301.38x = 781,319.93 × 321,245.80
  4. Step 4: Simplify right side
    566,301.38x = 250,995,742,409.27
  5. Step 5: Solve for x
    x = 250,995,742,409.27/566,301.38
  6. Step 6: Final answer
    x = 443,219.38

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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.