Home / 818,133.80-1,129,001.50-445,588.27

Finding the Fourth Proportional to 818,133.80, 1,129,001.50 and 445,588.27

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Solution

The fourth proportional to 818,133.80, 1,129,001.50 and 445,588.27 is: 614,899.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,133.80 : 1,129,001.50 = 445,588.27 : x
  2. Step 2: Convert to fraction form
    818,133.80/1,129,001.50 = 445,588.27/x
  3. Step 3: Cross multiply
    818,133.80x = 1,129,001.50 × 445,588.27
  4. Step 4: Simplify right side
    818,133.80x = 503,069,825,212.41
  5. Step 5: Solve for x
    x = 503,069,825,212.41/818,133.80
  6. Step 6: Final answer
    x = 614,899.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.