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Finding the Fourth Proportional to 564,628.55, 846,943.37 and 464,578.43

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Solution

The fourth proportional to 564,628.55, 846,943.37 and 464,578.43 is: 696,868.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,628.55 : 846,943.37 = 464,578.43 : x
  2. Step 2: Convert to fraction form
    564,628.55/846,943.37 = 464,578.43/x
  3. Step 3: Cross multiply
    564,628.55x = 846,943.37 × 464,578.43
  4. Step 4: Simplify right side
    564,628.55x = 393,471,621,133.51
  5. Step 5: Solve for x
    x = 393,471,621,133.51/564,628.55
  6. Step 6: Final answer
    x = 696,868.09

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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.