Home / 766,723.02-1,058,084.94-422,571.56

Finding the Fourth Proportional to 766,723.02, 1,058,084.94 and 422,571.56

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Solution

The fourth proportional to 766,723.02, 1,058,084.94 and 422,571.56 is: 583,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,723.02 : 1,058,084.94 = 422,571.56 : x
  2. Step 2: Convert to fraction form
    766,723.02/1,058,084.94 = 422,571.56/x
  3. Step 3: Cross multiply
    766,723.02x = 1,058,084.94 × 422,571.56
  4. Step 4: Simplify right side
    766,723.02x = 447,116,603,708.31
  5. Step 5: Solve for x
    x = 447,116,603,708.31/766,723.02
  6. Step 6: Final answer
    x = 583,152.71

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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.