Home / 818,449.32-1,129,516.80-496,173

Finding the Fourth Proportional to 818,449.32, 1,129,516.80 and 496,173

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Solution

The fourth proportional to 818,449.32, 1,129,516.80 and 496,173 is: 684,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,449.32 : 1,129,516.80 = 496,173 : x
  2. Step 2: Convert to fraction form
    818,449.32/1,129,516.80 = 496,173/x
  3. Step 3: Cross multiply
    818,449.32x = 1,129,516.80 × 496,173
  4. Step 4: Simplify right side
    818,449.32x = 560,435,739,206.40
  5. Step 5: Solve for x
    x = 560,435,739,206.40/818,449.32
  6. Step 6: Final answer
    x = 684,753.14

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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.