Home / 779,897.88-1,169,912.43-274,405.59

Finding the Fourth Proportional to 779,897.88, 1,169,912.43 and 274,405.59

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Solution

The fourth proportional to 779,897.88, 1,169,912.43 and 274,405.59 is: 411,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,897.88 : 1,169,912.43 = 274,405.59 : x
  2. Step 2: Convert to fraction form
    779,897.88/1,169,912.43 = 274,405.59/x
  3. Step 3: Cross multiply
    779,897.88x = 1,169,912.43 × 274,405.59
  4. Step 4: Simplify right side
    779,897.88x = 321,030,510,602.48
  5. Step 5: Solve for x
    x = 321,030,510,602.48/779,897.88
  6. Step 6: Final answer
    x = 411,631.47

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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.