Home / 949,804.85-1,310,745.20-520,124.96

Finding the Fourth Proportional to 949,804.85, 1,310,745.20 and 520,124.96

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Solution

The fourth proportional to 949,804.85, 1,310,745.20 and 520,124.96 is: 717,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,804.85 : 1,310,745.20 = 520,124.96 : x
  2. Step 2: Convert to fraction form
    949,804.85/1,310,745.20 = 520,124.96/x
  3. Step 3: Cross multiply
    949,804.85x = 1,310,745.20 × 520,124.96
  4. Step 4: Simplify right side
    949,804.85x = 681,751,292,119.57
  5. Step 5: Solve for x
    x = 681,751,292,119.57/949,804.85
  6. Step 6: Final answer
    x = 717,780.39

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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.