Home / 783,200.76-1,174,802.07-214,586.70

Finding the Fourth Proportional to 783,200.76, 1,174,802.07 and 214,586.70

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Solution

The fourth proportional to 783,200.76, 1,174,802.07 and 214,586.70 is: 321,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,200.76 : 1,174,802.07 = 214,586.70 : x
  2. Step 2: Convert to fraction form
    783,200.76/1,174,802.07 = 214,586.70/x
  3. Step 3: Cross multiply
    783,200.76x = 1,174,802.07 × 214,586.70
  4. Step 4: Simplify right side
    783,200.76x = 252,096,899,354.47
  5. Step 5: Solve for x
    x = 252,096,899,354.47/783,200.76
  6. Step 6: Final answer
    x = 321,880.30

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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.