Home / 699,939.75-966,215.42-470,629.95

Finding the Fourth Proportional to 699,939.75, 966,215.42 and 470,629.95

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Solution

The fourth proportional to 699,939.75, 966,215.42 and 470,629.95 is: 649,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,939.75 : 966,215.42 = 470,629.95 : x
  2. Step 2: Convert to fraction form
    699,939.75/966,215.42 = 470,629.95/x
  3. Step 3: Cross multiply
    699,939.75x = 966,215.42 × 470,629.95
  4. Step 4: Simplify right side
    699,939.75x = 454,729,915,980.40
  5. Step 5: Solve for x
    x = 454,729,915,980.40/699,939.75
  6. Step 6: Final answer
    x = 649,670.08

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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.