Home / 659,332.08-989,175.67-339,309.56

Finding the Fourth Proportional to 659,332.08, 989,175.67 and 339,309.56

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Solution

The fourth proportional to 659,332.08, 989,175.67 and 339,309.56 is: 509,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,332.08 : 989,175.67 = 339,309.56 : x
  2. Step 2: Convert to fraction form
    659,332.08/989,175.67 = 339,309.56/x
  3. Step 3: Cross multiply
    659,332.08x = 989,175.67 × 339,309.56
  4. Step 4: Simplify right side
    659,332.08x = 335,636,759,653.86
  5. Step 5: Solve for x
    x = 335,636,759,653.86/659,332.08
  6. Step 6: Final answer
    x = 509,055.71

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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.