Home / 723,610.67-998,421.77-417,622.19

Finding the Fourth Proportional to 723,610.67, 998,421.77 and 417,622.19

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Solution

The fourth proportional to 723,610.67, 998,421.77 and 417,622.19 is: 576,225.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,610.67 : 998,421.77 = 417,622.19 : x
  2. Step 2: Convert to fraction form
    723,610.67/998,421.77 = 417,622.19/x
  3. Step 3: Cross multiply
    723,610.67x = 998,421.77 × 417,622.19
  4. Step 4: Simplify right side
    723,610.67x = 416,963,082,183.02
  5. Step 5: Solve for x
    x = 416,963,082,183.02/723,610.67
  6. Step 6: Final answer
    x = 576,225.73

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1.5x scale

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.