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Finding the Fourth Proportional to 508,512.60, 701,701 and 301,745.36

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Solution

The fourth proportional to 508,512.60, 701,701 and 301,745.36 is: 416,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,512.60 : 701,701 = 301,745.36 : x
  2. Step 2: Convert to fraction form
    508,512.60/701,701 = 301,745.36/x
  3. Step 3: Cross multiply
    508,512.60x = 701,701 × 301,745.36
  4. Step 4: Simplify right side
    508,512.60x = 211,735,020,857.36
  5. Step 5: Solve for x
    x = 211,735,020,857.36/508,512.60
  6. Step 6: Final answer
    x = 416,381.07

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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.