Home / 766,722.02-1,058,083.56-422,570.56

Finding the Fourth Proportional to 766,722.02, 1,058,083.56 and 422,570.56

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Solution

The fourth proportional to 766,722.02, 1,058,083.56 and 422,570.56 is: 583,151.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,722.02 : 1,058,083.56 = 422,570.56 : x
  2. Step 2: Convert to fraction form
    766,722.02/1,058,083.56 = 422,570.56/x
  3. Step 3: Cross multiply
    766,722.02x = 1,058,083.56 × 422,570.56
  4. Step 4: Simplify right side
    766,722.02x = 447,114,962,475.99
  5. Step 5: Solve for x
    x = 447,114,962,475.99/766,722.02
  6. Step 6: Final answer
    x = 583,151.33

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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.