Home / 874,103.24-1,206,102.37-486,909.01

Finding the Fourth Proportional to 874,103.24, 1,206,102.37 and 486,909.01

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Solution

The fourth proportional to 874,103.24, 1,206,102.37 and 486,909.01 is: 671,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,103.24 : 1,206,102.37 = 486,909.01 : x
  2. Step 2: Convert to fraction form
    874,103.24/1,206,102.37 = 486,909.01/x
  3. Step 3: Cross multiply
    874,103.24x = 1,206,102.37 × 486,909.01
  4. Step 4: Simplify right side
    874,103.24x = 587,262,110,935.35
  5. Step 5: Solve for x
    x = 587,262,110,935.35/874,103.24
  6. Step 6: Final answer
    x = 671,845.25

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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.