Home / 718,260.28-1,077,707.80-376,622.12

Finding the Fourth Proportional to 718,260.28, 1,077,707.80 and 376,622.12

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Solution

The fourth proportional to 718,260.28, 1,077,707.80 and 376,622.12 is: 565,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,260.28 : 1,077,707.80 = 376,622.12 : x
  2. Step 2: Convert to fraction form
    718,260.28/1,077,707.80 = 376,622.12/x
  3. Step 3: Cross multiply
    718,260.28x = 1,077,707.80 × 376,622.12
  4. Step 4: Simplify right side
    718,260.28x = 405,888,596,376.54
  5. Step 5: Solve for x
    x = 405,888,596,376.54/718,260.28
  6. Step 6: Final answer
    x = 565,099.60

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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.