Home / 756,745.18-1,044,333.51-450,779.79

Finding the Fourth Proportional to 756,745.18, 1,044,333.51 and 450,779.79

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Solution

The fourth proportional to 756,745.18, 1,044,333.51 and 450,779.79 is: 622,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,745.18 : 1,044,333.51 = 450,779.79 : x
  2. Step 2: Convert to fraction form
    756,745.18/1,044,333.51 = 450,779.79/x
  3. Step 3: Cross multiply
    756,745.18x = 1,044,333.51 × 450,779.79
  4. Step 4: Simplify right side
    756,745.18x = 470,764,440,327.76
  5. Step 5: Solve for x
    x = 470,764,440,327.76/756,745.18
  6. Step 6: Final answer
    x = 622,091.10

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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.