Home / 445,555.20-614,898.78-254,564.49

Finding the Fourth Proportional to 445,555.20, 614,898.78 and 254,564.49

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Solution

The fourth proportional to 445,555.20, 614,898.78 and 254,564.49 is: 351,317.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,555.20 : 614,898.78 = 254,564.49 : x
  2. Step 2: Convert to fraction form
    445,555.20/614,898.78 = 254,564.49/x
  3. Step 3: Cross multiply
    445,555.20x = 614,898.78 × 254,564.49
  4. Step 4: Simplify right side
    445,555.20x = 156,531,394,332.32
  5. Step 5: Solve for x
    x = 156,531,394,332.32/445,555.20
  6. Step 6: Final answer
    x = 351,317.62

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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.