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Finding the Fourth Proportional to 504,628.69, 756,086.17 and 304,528.60

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Solution

The fourth proportional to 504,628.69, 756,086.17 and 304,528.60 is: 456,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,628.69 : 756,086.17 = 304,528.60 : x
  2. Step 2: Convert to fraction form
    504,628.69/756,086.17 = 304,528.60/x
  3. Step 3: Cross multiply
    504,628.69x = 756,086.17 × 304,528.60
  4. Step 4: Simplify right side
    504,628.69x = 230,249,862,829.46
  5. Step 5: Solve for x
    x = 230,249,862,829.46/504,628.69
  6. Step 6: Final answer
    x = 456,275.81

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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.