Home / 652,049.77-899,915.39-380,123.05

Finding the Fourth Proportional to 652,049.77, 899,915.39 and 380,123.05

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Solution

The fourth proportional to 652,049.77, 899,915.39 and 380,123.05 is: 524,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,049.77 : 899,915.39 = 380,123.05 : x
  2. Step 2: Convert to fraction form
    652,049.77/899,915.39 = 380,123.05/x
  3. Step 3: Cross multiply
    652,049.77x = 899,915.39 × 380,123.05
  4. Step 4: Simplify right side
    652,049.77x = 342,078,582,788.74
  5. Step 5: Solve for x
    x = 342,078,582,788.74/652,049.77
  6. Step 6: Final answer
    x = 524,620.36

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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.