Home / 751,780.90-1,037,393.49-425,077.90

Finding the Fourth Proportional to 751,780.90, 1,037,393.49 and 425,077.90

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Solution

The fourth proportional to 751,780.90, 1,037,393.49 and 425,077.90 is: 586,571.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,780.90 : 1,037,393.49 = 425,077.90 : x
  2. Step 2: Convert to fraction form
    751,780.90/1,037,393.49 = 425,077.90/x
  3. Step 3: Cross multiply
    751,780.90x = 1,037,393.49 × 425,077.90
  4. Step 4: Simplify right side
    751,780.90x = 440,973,045,203.43
  5. Step 5: Solve for x
    x = 440,973,045,203.43/751,780.90
  6. Step 6: Final answer
    x = 586,571.23

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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.