Home / 427,298.85-589,606.90-245,975.74

Finding the Fourth Proportional to 427,298.85, 589,606.90 and 245,975.74

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Solution

The fourth proportional to 427,298.85, 589,606.90 and 245,975.74 is: 339,408.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,298.85 : 589,606.90 = 245,975.74 : x
  2. Step 2: Convert to fraction form
    427,298.85/589,606.90 = 245,975.74/x
  3. Step 3: Cross multiply
    427,298.85x = 589,606.90 × 245,975.74
  4. Step 4: Simplify right side
    427,298.85x = 145,028,992,892.30
  5. Step 5: Solve for x
    x = 145,028,992,892.30/427,298.85
  6. Step 6: Final answer
    x = 339,408.81

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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.