Home / 490,943.33-736,407.59-220,880.76

Finding the Fourth Proportional to 490,943.33, 736,407.59 and 220,880.76

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Solution

The fourth proportional to 490,943.33, 736,407.59 and 220,880.76 is: 331,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,943.33 : 736,407.59 = 220,880.76 : x
  2. Step 2: Convert to fraction form
    490,943.33/736,407.59 = 220,880.76/x
  3. Step 3: Cross multiply
    490,943.33x = 736,407.59 × 220,880.76
  4. Step 4: Simplify right side
    490,943.33x = 162,658,264,283.04
  5. Step 5: Solve for x
    x = 162,658,264,283.04/490,943.33
  6. Step 6: Final answer
    x = 331,317.80

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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.