Home / 496,482.39-685,145.67-270,129.51

Finding the Fourth Proportional to 496,482.39, 685,145.67 and 270,129.51

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Solution

The fourth proportional to 496,482.39, 685,145.67 and 270,129.51 is: 372,778.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,482.39 : 685,145.67 = 270,129.51 : x
  2. Step 2: Convert to fraction form
    496,482.39/685,145.67 = 270,129.51/x
  3. Step 3: Cross multiply
    496,482.39x = 685,145.67 × 270,129.51
  4. Step 4: Simplify right side
    496,482.39x = 185,078,064,115.72
  5. Step 5: Solve for x
    x = 185,078,064,115.72/496,482.39
  6. Step 6: Final answer
    x = 372,778.71

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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.