Home / 818,668.86-1,129,797.90-456,092.52

Finding the Fourth Proportional to 818,668.86, 1,129,797.90 and 456,092.52

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Solution

The fourth proportional to 818,668.86, 1,129,797.90 and 456,092.52 is: 629,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,668.86 : 1,129,797.90 = 456,092.52 : x
  2. Step 2: Convert to fraction form
    818,668.86/1,129,797.90 = 456,092.52/x
  3. Step 3: Cross multiply
    818,668.86x = 1,129,797.90 × 456,092.52
  4. Step 4: Simplify right side
    818,668.86x = 515,292,371,301.71
  5. Step 5: Solve for x
    x = 515,292,371,301.71/818,668.86
  6. Step 6: Final answer
    x = 629,427.11

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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.