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Finding the Fourth Proportional to 651,589.88, 898,660.70 and 458,636.27

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Solution

The fourth proportional to 651,589.88, 898,660.70 and 458,636.27 is: 632,542.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,589.88 : 898,660.70 = 458,636.27 : x
  2. Step 2: Convert to fraction form
    651,589.88/898,660.70 = 458,636.27/x
  3. Step 3: Cross multiply
    651,589.88x = 898,660.70 × 458,636.27
  4. Step 4: Simplify right side
    651,589.88x = 412,158,384,657.10
  5. Step 5: Solve for x
    x = 412,158,384,657.10/651,589.88
  6. Step 6: Final answer
    x = 632,542.65

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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.