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Finding the Fourth Proportional to 719,571.89, 992,963.25 and 413,575.35

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Solution

The fourth proportional to 719,571.89, 992,963.25 and 413,575.35 is: 570,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,571.89 : 992,963.25 = 413,575.35 : x
  2. Step 2: Convert to fraction form
    719,571.89/992,963.25 = 413,575.35/x
  3. Step 3: Cross multiply
    719,571.89x = 992,963.25 × 413,575.35
  4. Step 4: Simplify right side
    719,571.89x = 410,665,123,655.89
  5. Step 5: Solve for x
    x = 410,665,123,655.89/719,571.89
  6. Step 6: Final answer
    x = 570,707.57

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1.5x scale

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.