Home / 751,124.85-1,035,987.22-521,682.42

Finding the Fourth Proportional to 751,124.85, 1,035,987.22 and 521,682.42

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Solution

The fourth proportional to 751,124.85, 1,035,987.22 and 521,682.42 is: 719,529.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,124.85 : 1,035,987.22 = 521,682.42 : x
  2. Step 2: Convert to fraction form
    751,124.85/1,035,987.22 = 521,682.42/x
  3. Step 3: Cross multiply
    751,124.85x = 1,035,987.22 × 521,682.42
  4. Step 4: Simplify right side
    751,124.85x = 540,456,321,621.26
  5. Step 5: Solve for x
    x = 540,456,321,621.26/751,124.85
  6. Step 6: Final answer
    x = 719,529.28

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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.