Home / 658,313.54-986,827.64-321,340.58

Finding the Fourth Proportional to 658,313.54, 986,827.64 and 321,340.58

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Solution

The fourth proportional to 658,313.54, 986,827.64 and 321,340.58 is: 481,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,313.54 : 986,827.64 = 321,340.58 : x
  2. Step 2: Convert to fraction form
    658,313.54/986,827.64 = 321,340.58/x
  3. Step 3: Cross multiply
    658,313.54x = 986,827.64 × 321,340.58
  4. Step 4: Simplify right side
    658,313.54x = 317,107,766,197.63
  5. Step 5: Solve for x
    x = 317,107,766,197.63/658,313.54
  6. Step 6: Final answer
    x = 481,697.17

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1.5x scale

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.