Home / 762,261.47-1,051,894.37-422,761.31

Finding the Fourth Proportional to 762,261.47, 1,051,894.37 and 422,761.31

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Solution

The fourth proportional to 762,261.47, 1,051,894.37 and 422,761.31 is: 583,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,261.47 : 1,051,894.37 = 422,761.31 : x
  2. Step 2: Convert to fraction form
    762,261.47/1,051,894.37 = 422,761.31/x
  3. Step 3: Cross multiply
    762,261.47x = 1,051,894.37 × 422,761.31
  4. Step 4: Simplify right side
    762,261.47x = 444,700,237,640.26
  5. Step 5: Solve for x
    x = 444,700,237,640.26/762,261.47
  6. Step 6: Final answer
    x = 583,395.93

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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.