Home / 859,622.10-1,287,661.14-503,556.72

Finding the Fourth Proportional to 859,622.10, 1,287,661.14 and 503,556.72

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Solution

The fourth proportional to 859,622.10, 1,287,661.14 and 503,556.72 is: 754,297.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,622.10 : 1,287,661.14 = 503,556.72 : x
  2. Step 2: Convert to fraction form
    859,622.10/1,287,661.14 = 503,556.72/x
  3. Step 3: Cross multiply
    859,622.10x = 1,287,661.14 × 503,556.72
  4. Step 4: Simplify right side
    859,622.10x = 648,410,420,129.86
  5. Step 5: Solve for x
    x = 648,410,420,129.86/859,622.10
  6. Step 6: Final answer
    x = 754,297.06

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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.