Home / 775,061.90-1,160,910.30-374,863.45

Finding the Fourth Proportional to 775,061.90, 1,160,910.30 and 374,863.45

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Solution

The fourth proportional to 775,061.90, 1,160,910.30 and 374,863.45 is: 561,481.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,061.90 : 1,160,910.30 = 374,863.45 : x
  2. Step 2: Convert to fraction form
    775,061.90/1,160,910.30 = 374,863.45/x
  3. Step 3: Cross multiply
    775,061.90x = 1,160,910.30 × 374,863.45
  4. Step 4: Simplify right side
    775,061.90x = 435,182,837,296.26
  5. Step 5: Solve for x
    x = 435,182,837,296.26/775,061.90
  6. Step 6: Final answer
    x = 561,481.40

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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.