Home / 876,748.77-1,314,881.92-300,363.57

Finding the Fourth Proportional to 876,748.77, 1,314,881.92 and 300,363.57

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Solution

The fourth proportional to 876,748.77, 1,314,881.92 and 300,363.57 is: 450,462.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,748.77 : 1,314,881.92 = 300,363.57 : x
  2. Step 2: Convert to fraction form
    876,748.77/1,314,881.92 = 300,363.57/x
  3. Step 3: Cross multiply
    876,748.77x = 1,314,881.92 × 300,363.57
  4. Step 4: Simplify right side
    876,748.77x = 394,942,627,619.65
  5. Step 5: Solve for x
    x = 394,942,627,619.65/876,748.77
  6. Step 6: Final answer
    x = 450,462.71

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1.5x scale

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.