Home / 517,338.24-713,819.70-302,436.60

Finding the Fourth Proportional to 517,338.24, 713,819.70 and 302,436.60

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Solution

The fourth proportional to 517,338.24, 713,819.70 and 302,436.60 is: 417,299.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,338.24 : 713,819.70 = 302,436.60 : x
  2. Step 2: Convert to fraction form
    517,338.24/713,819.70 = 302,436.60/x
  3. Step 3: Cross multiply
    517,338.24x = 713,819.70 × 302,436.60
  4. Step 4: Simplify right side
    517,338.24x = 215,885,203,081.02
  5. Step 5: Solve for x
    x = 215,885,203,081.02/517,338.24
  6. Step 6: Final answer
    x = 417,299.91

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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.