Home / 557,530.08-835,828.20-388,554.72

Finding the Fourth Proportional to 557,530.08, 835,828.20 and 388,554.72

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Solution

The fourth proportional to 557,530.08, 835,828.20 and 388,554.72 is: 582,506.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,530.08 : 835,828.20 = 388,554.72 : x
  2. Step 2: Convert to fraction form
    557,530.08/835,828.20 = 388,554.72/x
  3. Step 3: Cross multiply
    557,530.08x = 835,828.20 × 388,554.72
  4. Step 4: Simplify right side
    557,530.08x = 324,764,992,219.10
  5. Step 5: Solve for x
    x = 324,764,992,219.10/557,530.08
  6. Step 6: Final answer
    x = 582,506.67

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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.