Home / 818,623.68-1,129,752-456,042.24

Finding the Fourth Proportional to 818,623.68, 1,129,752 and 456,042.24

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Solution

The fourth proportional to 818,623.68, 1,129,752 and 456,042.24 is: 629,366.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,623.68 : 1,129,752 = 456,042.24 : x
  2. Step 2: Convert to fraction form
    818,623.68/1,129,752 = 456,042.24/x
  3. Step 3: Cross multiply
    818,623.68x = 1,129,752 × 456,042.24
  4. Step 4: Simplify right side
    818,623.68x = 515,214,632,724.48
  5. Step 5: Solve for x
    x = 515,214,632,724.48/818,623.68
  6. Step 6: Final answer
    x = 629,366.88

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1.5x scale

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.