Home / 439,336.07-606,412.67-255,617.87

Finding the Fourth Proportional to 439,336.07, 606,412.67 and 255,617.87

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Solution

The fourth proportional to 439,336.07, 606,412.67 and 255,617.87 is: 352,827.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,336.07 : 606,412.67 = 255,617.87 : x
  2. Step 2: Convert to fraction form
    439,336.07/606,412.67 = 255,617.87/x
  3. Step 3: Cross multiply
    439,336.07x = 606,412.67 × 255,617.87
  4. Step 4: Simplify right side
    439,336.07x = 155,009,912,653.39
  5. Step 5: Solve for x
    x = 155,009,912,653.39/439,336.07
  6. Step 6: Final answer
    x = 352,827.65

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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.