Home / 559,823.51-772,556.46-305,174.90

Finding the Fourth Proportional to 559,823.51, 772,556.46 and 305,174.90

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Solution

The fourth proportional to 559,823.51, 772,556.46 and 305,174.90 is: 421,141.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,823.51 : 772,556.46 = 305,174.90 : x
  2. Step 2: Convert to fraction form
    559,823.51/772,556.46 = 305,174.90/x
  3. Step 3: Cross multiply
    559,823.51x = 772,556.46 × 305,174.90
  4. Step 4: Simplify right side
    559,823.51x = 235,764,840,424.85
  5. Step 5: Solve for x
    x = 235,764,840,424.85/559,823.51
  6. Step 6: Final answer
    x = 421,141.37

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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.