Home / 554,068.75-764,581.97-321,477.71

Finding the Fourth Proportional to 554,068.75, 764,581.97 and 321,477.71

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Solution

The fourth proportional to 554,068.75, 764,581.97 and 321,477.71 is: 443,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,068.75 : 764,581.97 = 321,477.71 : x
  2. Step 2: Convert to fraction form
    554,068.75/764,581.97 = 321,477.71/x
  3. Step 3: Cross multiply
    554,068.75x = 764,581.97 × 321,477.71
  4. Step 4: Simplify right side
    554,068.75x = 245,796,057,803.67
  5. Step 5: Solve for x
    x = 245,796,057,803.67/554,068.75
  6. Step 6: Final answer
    x = 443,620.14

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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.