Home / 756,829.76-1,133,959.97-456,679.67

Finding the Fourth Proportional to 756,829.76, 1,133,959.97 and 456,679.67

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Solution

The fourth proportional to 756,829.76, 1,133,959.97 and 456,679.67 is: 684,244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,829.76 : 1,133,959.97 = 456,679.67 : x
  2. Step 2: Convert to fraction form
    756,829.76/1,133,959.97 = 456,679.67/x
  3. Step 3: Cross multiply
    756,829.76x = 1,133,959.97 × 456,679.67
  4. Step 4: Simplify right side
    756,829.76x = 517,856,456,939.61
  5. Step 5: Solve for x
    x = 517,856,456,939.61/756,829.76
  6. Step 6: Final answer
    x = 684,244.31

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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.