Home / 762,262.72-1,051,896.10-422,762.56

Finding the Fourth Proportional to 762,262.72, 1,051,896.10 and 422,762.56

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Solution

The fourth proportional to 762,262.72, 1,051,896.10 and 422,762.56 is: 583,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,262.72 : 1,051,896.10 = 422,762.56 : x
  2. Step 2: Convert to fraction form
    762,262.72/1,051,896.10 = 422,762.56/x
  3. Step 3: Cross multiply
    762,262.72x = 1,051,896.10 × 422,762.56
  4. Step 4: Simplify right side
    762,262.72x = 444,702,288,090.02
  5. Step 5: Solve for x
    x = 444,702,288,090.02/762,262.72
  6. Step 6: Final answer
    x = 583,397.66

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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.