Home / 902,093.76-1,244,872.80-520,136.64

Finding the Fourth Proportional to 902,093.76, 1,244,872.80 and 520,136.64

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Solution

The fourth proportional to 902,093.76, 1,244,872.80 and 520,136.64 is: 717,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,093.76 : 1,244,872.80 = 520,136.64 : x
  2. Step 2: Convert to fraction form
    902,093.76/1,244,872.80 = 520,136.64/x
  3. Step 3: Cross multiply
    902,093.76x = 1,244,872.80 × 520,136.64
  4. Step 4: Simplify right side
    902,093.76x = 647,503,955,419.39
  5. Step 5: Solve for x
    x = 647,503,955,419.39/902,093.76
  6. Step 6: Final answer
    x = 717,779.00

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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.