Home / 339,036.08-510,584.39-308,768.92

Finding the Fourth Proportional to 339,036.08, 510,584.39 and 308,768.92

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Solution

The fourth proportional to 339,036.08, 510,584.39 and 308,768.92 is: 465,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,036.08 : 510,584.39 = 308,768.92 : x
  2. Step 2: Convert to fraction form
    339,036.08/510,584.39 = 308,768.92/x
  3. Step 3: Cross multiply
    339,036.08x = 510,584.39 × 308,768.92
  4. Step 4: Simplify right side
    339,036.08x = 157,652,590,669.16
  5. Step 5: Solve for x
    x = 157,652,590,669.16/339,036.08
  6. Step 6: Final answer
    x = 465,002.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.