Home / 909,860.31-1,364,965.41-348,851.07

Finding the Fourth Proportional to 909,860.31, 1,364,965.41 and 348,851.07

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Solution

The fourth proportional to 909,860.31, 1,364,965.41 and 348,851.07 is: 523,343.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,860.31 : 1,364,965.41 = 348,851.07 : x
  2. Step 2: Convert to fraction form
    909,860.31/1,364,965.41 = 348,851.07/x
  3. Step 3: Cross multiply
    909,860.31x = 1,364,965.41 × 348,851.07
  4. Step 4: Simplify right side
    909,860.31x = 476,169,643,791.49
  5. Step 5: Solve for x
    x = 476,169,643,791.49/909,860.31
  6. Step 6: Final answer
    x = 523,343.68

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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.