Home / 902,396.56-1,245,307.20-539,835.64

Finding the Fourth Proportional to 902,396.56, 1,245,307.20 and 539,835.64

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Solution

The fourth proportional to 902,396.56, 1,245,307.20 and 539,835.64 is: 744,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,396.56 : 1,245,307.20 = 539,835.64 : x
  2. Step 2: Convert to fraction form
    902,396.56/1,245,307.20 = 539,835.64/x
  3. Step 3: Cross multiply
    902,396.56x = 1,245,307.20 × 539,835.64
  4. Step 4: Simplify right side
    902,396.56x = 672,261,209,308.61
  5. Step 5: Solve for x
    x = 672,261,209,308.61/902,396.56
  6. Step 6: Final answer
    x = 744,973.15

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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.