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Finding the Fourth Proportional to 554,300.82, 764,935.38 and 299,652.08

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Solution

The fourth proportional to 554,300.82, 764,935.38 and 299,652.08 is: 413,520.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,300.82 : 764,935.38 = 299,652.08 : x
  2. Step 2: Convert to fraction form
    554,300.82/764,935.38 = 299,652.08/x
  3. Step 3: Cross multiply
    554,300.82x = 764,935.38 × 299,652.08
  4. Step 4: Simplify right side
    554,300.82x = 229,214,473,857.91
  5. Step 5: Solve for x
    x = 229,214,473,857.91/554,300.82
  6. Step 6: Final answer
    x = 413,520.00

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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.