Home / 816,110.10-1,225,149.30-456,567.30

Finding the Fourth Proportional to 816,110.10, 1,225,149.30 and 456,567.30

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Solution

The fourth proportional to 816,110.10, 1,225,149.30 and 456,567.30 is: 685,401.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,110.10 : 1,225,149.30 = 456,567.30 : x
  2. Step 2: Convert to fraction form
    816,110.10/1,225,149.30 = 456,567.30/x
  3. Step 3: Cross multiply
    816,110.10x = 1,225,149.30 × 456,567.30
  4. Step 4: Simplify right side
    816,110.10x = 559,363,107,997.89
  5. Step 5: Solve for x
    x = 559,363,107,997.89/816,110.10
  6. Step 6: Final answer
    x = 685,401.53

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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.