Home / 756,752.76-1,044,332.46-412,591.32

Finding the Fourth Proportional to 756,752.76, 1,044,332.46 and 412,591.32

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Solution

The fourth proportional to 756,752.76, 1,044,332.46 and 412,591.32 is: 569,383.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,752.76 : 1,044,332.46 = 412,591.32 : x
  2. Step 2: Convert to fraction form
    756,752.76/1,044,332.46 = 412,591.32/x
  3. Step 3: Cross multiply
    756,752.76x = 1,044,332.46 × 412,591.32
  4. Step 4: Simplify right side
    756,752.76x = 430,882,508,190.25
  5. Step 5: Solve for x
    x = 430,882,508,190.25/756,752.76
  6. Step 6: Final answer
    x = 569,383.46

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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.