Home / 841,654.26-1,262,658.95-272,991.20

Finding the Fourth Proportional to 841,654.26, 1,262,658.95 and 272,991.20

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Solution

The fourth proportional to 841,654.26, 1,262,658.95 and 272,991.20 is: 409,544.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,654.26 : 1,262,658.95 = 272,991.20 : x
  2. Step 2: Convert to fraction form
    841,654.26/1,262,658.95 = 272,991.20/x
  3. Step 3: Cross multiply
    841,654.26x = 1,262,658.95 × 272,991.20
  4. Step 4: Simplify right side
    841,654.26x = 344,694,775,296.71
  5. Step 5: Solve for x
    x = 344,694,775,296.71/841,654.26
  6. Step 6: Final answer
    x = 409,544.38

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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.