Home / 841,651.89-1,262,655.38-272,988.83

Finding the Fourth Proportional to 841,651.89, 1,262,655.38 and 272,988.83

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Solution

The fourth proportional to 841,651.89, 1,262,655.38 and 272,988.83 is: 409,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,651.89 : 1,262,655.38 = 272,988.83 : x
  2. Step 2: Convert to fraction form
    841,651.89/1,262,655.38 = 272,988.83/x
  3. Step 3: Cross multiply
    841,651.89x = 1,262,655.38 × 272,988.83
  4. Step 4: Simplify right side
    841,651.89x = 344,690,814,879.41
  5. Step 5: Solve for x
    x = 344,690,814,879.41/841,651.89
  6. Step 6: Final answer
    x = 409,540.83

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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.