Home / 762,213.57-1,051,858.27-422,681.82

Finding the Fourth Proportional to 762,213.57, 1,051,858.27 and 422,681.82

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Solution

The fourth proportional to 762,213.57, 1,051,858.27 and 422,681.82 is: 583,302.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,213.57 : 1,051,858.27 = 422,681.82 : x
  2. Step 2: Convert to fraction form
    762,213.57/1,051,858.27 = 422,681.82/x
  3. Step 3: Cross multiply
    762,213.57x = 1,051,858.27 × 422,681.82
  4. Step 4: Simplify right side
    762,213.57x = 444,601,367,945.65
  5. Step 5: Solve for x
    x = 444,601,367,945.65/762,213.57
  6. Step 6: Final answer
    x = 583,302.88

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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.