Home / 876,628.30-1,314,942.45-561,700.30

Finding the Fourth Proportional to 876,628.30, 1,314,942.45 and 561,700.30

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Solution

The fourth proportional to 876,628.30, 1,314,942.45 and 561,700.30 is: 842,550.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,628.30 : 1,314,942.45 = 561,700.30 : x
  2. Step 2: Convert to fraction form
    876,628.30/1,314,942.45 = 561,700.30/x
  3. Step 3: Cross multiply
    876,628.30x = 1,314,942.45 × 561,700.30
  4. Step 4: Simplify right side
    876,628.30x = 738,603,568,647.74
  5. Step 5: Solve for x
    x = 738,603,568,647.74/876,628.30
  6. Step 6: Final answer
    x = 842,550.45

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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.