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Finding the Fourth Proportional to 651,579.82, 898,647 and 458,626.28

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Solution

The fourth proportional to 651,579.82, 898,647 and 458,626.28 is: 632,528.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,579.82 : 898,647 = 458,626.28 : x
  2. Step 2: Convert to fraction form
    651,579.82/898,647 = 458,626.28/x
  3. Step 3: Cross multiply
    651,579.82x = 898,647 × 458,626.28
  4. Step 4: Simplify right side
    651,579.82x = 412,143,126,149.93
  5. Step 5: Solve for x
    x = 412,143,126,149.93/651,579.82
  6. Step 6: Final answer
    x = 632,528.99

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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.