Home / 652,688.78-979,313.84-353,383.25

Finding the Fourth Proportional to 652,688.78, 979,313.84 and 353,383.25

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Solution

The fourth proportional to 652,688.78, 979,313.84 and 353,383.25 is: 530,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,688.78 : 979,313.84 = 353,383.25 : x
  2. Step 2: Convert to fraction form
    652,688.78/979,313.84 = 353,383.25/x
  3. Step 3: Cross multiply
    652,688.78x = 979,313.84 × 353,383.25
  4. Step 4: Simplify right side
    652,688.78x = 346,073,105,782.26
  5. Step 5: Solve for x
    x = 346,073,105,782.26/652,688.78
  6. Step 6: Final answer
    x = 530,226.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.