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Finding the Fourth Proportional to 507,366.89, 700,177.61 and 289,571.22

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Solution

The fourth proportional to 507,366.89, 700,177.61 and 289,571.22 is: 399,614.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,366.89 : 700,177.61 = 289,571.22 : x
  2. Step 2: Convert to fraction form
    507,366.89/700,177.61 = 289,571.22/x
  3. Step 3: Cross multiply
    507,366.89x = 700,177.61 × 289,571.22
  4. Step 4: Simplify right side
    507,366.89x = 202,751,284,744.38
  5. Step 5: Solve for x
    x = 202,751,284,744.38/507,366.89
  6. Step 6: Final answer
    x = 399,614.73

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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.