Home / 597,617.72-824,688.39-325,679.78

Finding the Fourth Proportional to 597,617.72, 824,688.39 and 325,679.78

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Solution

The fourth proportional to 597,617.72, 824,688.39 and 325,679.78 is: 449,424.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,617.72 : 824,688.39 = 325,679.78 : x
  2. Step 2: Convert to fraction form
    597,617.72/824,688.39 = 325,679.78/x
  3. Step 3: Cross multiply
    597,617.72x = 824,688.39 × 325,679.78
  4. Step 4: Simplify right side
    597,617.72x = 268,584,329,300.31
  5. Step 5: Solve for x
    x = 268,584,329,300.31/597,617.72
  6. Step 6: Final answer
    x = 449,424.98

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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.