Home / 798,650.55-1,102,007.67-471,918.09

Finding the Fourth Proportional to 798,650.55, 1,102,007.67 and 471,918.09

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Solution

The fourth proportional to 798,650.55, 1,102,007.67 and 471,918.09 is: 651,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,650.55 : 1,102,007.67 = 471,918.09 : x
  2. Step 2: Convert to fraction form
    798,650.55/1,102,007.67 = 471,918.09/x
  3. Step 3: Cross multiply
    798,650.55x = 1,102,007.67 × 471,918.09
  4. Step 4: Simplify right side
    798,650.55x = 520,057,354,791.75
  5. Step 5: Solve for x
    x = 520,057,354,791.75/798,650.55
  6. Step 6: Final answer
    x = 651,170.10

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1.5x scale

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.