Home / 451,055.28-622,097.10-289,926.84

Finding the Fourth Proportional to 451,055.28, 622,097.10 and 289,926.84

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Solution

The fourth proportional to 451,055.28, 622,097.10 and 289,926.84 is: 399,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,055.28 : 622,097.10 = 289,926.84 : x
  2. Step 2: Convert to fraction form
    451,055.28/622,097.10 = 289,926.84/x
  3. Step 3: Cross multiply
    451,055.28x = 622,097.10 × 289,926.84
  4. Step 4: Simplify right side
    451,055.28x = 180,362,646,376.16
  5. Step 5: Solve for x
    x = 180,362,646,376.16/451,055.28
  6. Step 6: Final answer
    x = 399,868.16

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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.