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Finding the Fourth Proportional to 700,664.69, 967,074.77 and 458,806.79

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Solution

The fourth proportional to 700,664.69, 967,074.77 and 458,806.79 is: 633,256.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,664.69 : 967,074.77 = 458,806.79 : x
  2. Step 2: Convert to fraction form
    700,664.69/967,074.77 = 458,806.79/x
  3. Step 3: Cross multiply
    700,664.69x = 967,074.77 × 458,806.79
  4. Step 4: Simplify right side
    700,664.69x = 443,700,470,913.69
  5. Step 5: Solve for x
    x = 443,700,470,913.69/700,664.69
  6. Step 6: Final answer
    x = 633,256.50

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1.5x scale

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.