Home / 841,115.74-1,261,691.52-301,407.22

Finding the Fourth Proportional to 841,115.74, 1,261,691.52 and 301,407.22

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Solution

The fourth proportional to 841,115.74, 1,261,691.52 and 301,407.22 is: 452,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,115.74 : 1,261,691.52 = 301,407.22 : x
  2. Step 2: Convert to fraction form
    841,115.74/1,261,691.52 = 301,407.22/x
  3. Step 3: Cross multiply
    841,115.74x = 1,261,691.52 × 301,407.22
  4. Step 4: Simplify right side
    841,115.74x = 380,282,933,540.77
  5. Step 5: Solve for x
    x = 380,282,933,540.77/841,115.74
  6. Step 6: Final answer
    x = 452,117.25

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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.