Home / 841,136.40-1,261,392.84-301,308.54

Finding the Fourth Proportional to 841,136.40, 1,261,392.84 and 301,308.54

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Solution

The fourth proportional to 841,136.40, 1,261,392.84 and 301,308.54 is: 451,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,136.40 : 1,261,392.84 = 301,308.54 : x
  2. Step 2: Convert to fraction form
    841,136.40/1,261,392.84 = 301,308.54/x
  3. Step 3: Cross multiply
    841,136.40x = 1,261,392.84 × 301,308.54
  4. Step 4: Simplify right side
    841,136.40x = 380,068,434,986.85
  5. Step 5: Solve for x
    x = 380,068,434,986.85/841,136.40
  6. Step 6: Final answer
    x = 451,851.13

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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.