Home / 525,731.58-789,275.34-451,329.84

Finding the Fourth Proportional to 525,731.58, 789,275.34 and 451,329.84

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Solution

The fourth proportional to 525,731.58, 789,275.34 and 451,329.84 is: 677,576.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,731.58 : 789,275.34 = 451,329.84 : x
  2. Step 2: Convert to fraction form
    525,731.58/789,275.34 = 451,329.84/x
  3. Step 3: Cross multiply
    525,731.58x = 789,275.34 × 451,329.84
  4. Step 4: Simplify right side
    525,731.58x = 356,223,512,918.15
  5. Step 5: Solve for x
    x = 356,223,512,918.15/525,731.58
  6. Step 6: Final answer
    x = 677,576.78

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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.