Home / 525,043.96-787,759.66-424,771.38

Finding the Fourth Proportional to 525,043.96, 787,759.66 and 424,771.38

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Solution

The fourth proportional to 525,043.96, 787,759.66 and 424,771.38 is: 637,313.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,043.96 : 787,759.66 = 424,771.38 : x
  2. Step 2: Convert to fraction form
    525,043.96/787,759.66 = 424,771.38/x
  3. Step 3: Cross multiply
    525,043.96x = 787,759.66 × 424,771.38
  4. Step 4: Simplify right side
    525,043.96x = 334,617,757,886.53
  5. Step 5: Solve for x
    x = 334,617,757,886.53/525,043.96
  6. Step 6: Final answer
    x = 637,313.79

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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.