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Finding the Fourth Proportional to 595,081.44, 820,974.96 and 380,165.76

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Solution

The fourth proportional to 595,081.44, 820,974.96 and 380,165.76 is: 524,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,081.44 : 820,974.96 = 380,165.76 : x
  2. Step 2: Convert to fraction form
    595,081.44/820,974.96 = 380,165.76/x
  3. Step 3: Cross multiply
    595,081.44x = 820,974.96 × 380,165.76
  4. Step 4: Simplify right side
    595,081.44x = 312,106,569,609.37
  5. Step 5: Solve for x
    x = 312,106,569,609.37/595,081.44
  6. Step 6: Final answer
    x = 524,477.07

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1.5x scale

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.