Home / 751,408.80-1,127,113.20-436,675.20

Finding the Fourth Proportional to 751,408.80, 1,127,113.20 and 436,675.20

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Solution

The fourth proportional to 751,408.80, 1,127,113.20 and 436,675.20 is: 655,012.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,408.80 : 1,127,113.20 = 436,675.20 : x
  2. Step 2: Convert to fraction form
    751,408.80/1,127,113.20 = 436,675.20/x
  3. Step 3: Cross multiply
    751,408.80x = 1,127,113.20 × 436,675.20
  4. Step 4: Simplify right side
    751,408.80x = 492,182,382,032.64
  5. Step 5: Solve for x
    x = 492,182,382,032.64/751,408.80
  6. Step 6: Final answer
    x = 655,012.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.