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Finding the Fourth Proportional to 700,664.50, 967,074.51 and 458,806.60

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Solution

The fourth proportional to 700,664.50, 967,074.51 and 458,806.60 is: 633,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,664.50 : 967,074.51 = 458,806.60 : x
  2. Step 2: Convert to fraction form
    700,664.50/967,074.51 = 458,806.60/x
  3. Step 3: Cross multiply
    700,664.50x = 967,074.51 × 458,806.60
  4. Step 4: Simplify right side
    700,664.50x = 443,700,167,879.77
  5. Step 5: Solve for x
    x = 443,700,167,879.77/700,664.50
  6. Step 6: Final answer
    x = 633,256.24

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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.