Home / 980,463.47-1,470,696.35-306,548.33

Finding the Fourth Proportional to 980,463.47, 1,470,696.35 and 306,548.33

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Solution

The fourth proportional to 980,463.47, 1,470,696.35 and 306,548.33 is: 459,822.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,463.47 : 1,470,696.35 = 306,548.33 : x
  2. Step 2: Convert to fraction form
    980,463.47/1,470,696.35 = 306,548.33/x
  3. Step 3: Cross multiply
    980,463.47x = 1,470,696.35 × 306,548.33
  4. Step 4: Simplify right side
    980,463.47x = 450,839,501,143.37
  5. Step 5: Solve for x
    x = 450,839,501,143.37/980,463.47
  6. Step 6: Final answer
    x = 459,822.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.