Home / 766,719.04-1,058,079.60-422,567.44

Finding the Fourth Proportional to 766,719.04, 1,058,079.60 and 422,567.44

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Solution

The fourth proportional to 766,719.04, 1,058,079.60 and 422,567.44 is: 583,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,719.04 : 1,058,079.60 = 422,567.44 : x
  2. Step 2: Convert to fraction form
    766,719.04/1,058,079.60 = 422,567.44/x
  3. Step 3: Cross multiply
    766,719.04x = 1,058,079.60 × 422,567.44
  4. Step 4: Simplify right side
    766,719.04x = 447,109,987,888.22
  5. Step 5: Solve for x
    x = 447,109,987,888.22/766,719.04
  6. Step 6: Final answer
    x = 583,147.10

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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.