Home / 561,136.46-774,090.86-331,582.70

Finding the Fourth Proportional to 561,136.46, 774,090.86 and 331,582.70

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Solution

The fourth proportional to 561,136.46, 774,090.86 and 331,582.70 is: 457,420.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,136.46 : 774,090.86 = 331,582.70 : x
  2. Step 2: Convert to fraction form
    561,136.46/774,090.86 = 331,582.70/x
  3. Step 3: Cross multiply
    561,136.46x = 774,090.86 × 331,582.70
  4. Step 4: Simplify right side
    561,136.46x = 256,675,132,704.71
  5. Step 5: Solve for x
    x = 256,675,132,704.71/561,136.46
  6. Step 6: Final answer
    x = 457,420.16

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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.