Home / 554,300.16-764,935.32-299,651.28

Finding the Fourth Proportional to 554,300.16, 764,935.32 and 299,651.28

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Solution

The fourth proportional to 554,300.16, 764,935.32 and 299,651.28 is: 413,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,300.16 : 764,935.32 = 299,651.28 : x
  2. Step 2: Convert to fraction form
    554,300.16/764,935.32 = 299,651.28/x
  3. Step 3: Cross multiply
    554,300.16x = 764,935.32 × 299,651.28
  4. Step 4: Simplify right side
    554,300.16x = 229,213,847,755.21
  5. Step 5: Solve for x
    x = 229,213,847,755.21/554,300.16
  6. Step 6: Final answer
    x = 413,519.36

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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.