Home / 482,550.84-665,913.96-261,784.89

Finding the Fourth Proportional to 482,550.84, 665,913.96 and 261,784.89

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Solution

The fourth proportional to 482,550.84, 665,913.96 and 261,784.89 is: 361,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,550.84 : 665,913.96 = 261,784.89 : x
  2. Step 2: Convert to fraction form
    482,550.84/665,913.96 = 261,784.89/x
  3. Step 3: Cross multiply
    482,550.84x = 665,913.96 × 261,784.89
  4. Step 4: Simplify right side
    482,550.84x = 174,326,212,768.06
  5. Step 5: Solve for x
    x = 174,326,212,768.06/482,550.84
  6. Step 6: Final answer
    x = 361,259.79

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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.