Home / 682,320.24-1,021,498.02-397,140.30

Finding the Fourth Proportional to 682,320.24, 1,021,498.02 and 397,140.30

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Solution

The fourth proportional to 682,320.24, 1,021,498.02 and 397,140.30 is: 594,556.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,320.24 : 1,021,498.02 = 397,140.30 : x
  2. Step 2: Convert to fraction form
    682,320.24/1,021,498.02 = 397,140.30/x
  3. Step 3: Cross multiply
    682,320.24x = 1,021,498.02 × 397,140.30
  4. Step 4: Simplify right side
    682,320.24x = 405,678,030,112.21
  5. Step 5: Solve for x
    x = 405,678,030,112.21/682,320.24
  6. Step 6: Final answer
    x = 594,556.64

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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.