Home / 902,314.28-1,245,110.91-520,267.25

Finding the Fourth Proportional to 902,314.28, 1,245,110.91 and 520,267.25

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Solution

The fourth proportional to 902,314.28, 1,245,110.91 and 520,267.25 is: 717,921.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,314.28 : 1,245,110.91 = 520,267.25 : x
  2. Step 2: Convert to fraction form
    902,314.28/1,245,110.91 = 520,267.25/x
  3. Step 3: Cross multiply
    902,314.28x = 1,245,110.91 × 520,267.25
  4. Step 4: Simplify right side
    902,314.28x = 647,790,430,252.47
  5. Step 5: Solve for x
    x = 647,790,430,252.47/902,314.28
  6. Step 6: Final answer
    x = 717,921.06

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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.