Home / 427,298.42-589,606.31-245,975.31

Finding the Fourth Proportional to 427,298.42, 589,606.31 and 245,975.31

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Solution

The fourth proportional to 427,298.42, 589,606.31 and 245,975.31 is: 339,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,298.42 : 589,606.31 = 245,975.31 : x
  2. Step 2: Convert to fraction form
    427,298.42/589,606.31 = 245,975.31/x
  3. Step 3: Cross multiply
    427,298.42x = 589,606.31 × 245,975.31
  4. Step 4: Simplify right side
    427,298.42x = 145,028,593,406.19
  5. Step 5: Solve for x
    x = 145,028,593,406.19/427,298.42
  6. Step 6: Final answer
    x = 339,408.22

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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.