Home / 490,552.23-677,018.18-272,782.62

Finding the Fourth Proportional to 490,552.23, 677,018.18 and 272,782.62

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Solution

The fourth proportional to 490,552.23, 677,018.18 and 272,782.62 is: 376,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,552.23 : 677,018.18 = 272,782.62 : x
  2. Step 2: Convert to fraction form
    490,552.23/677,018.18 = 272,782.62/x
  3. Step 3: Cross multiply
    490,552.23x = 677,018.18 × 272,782.62
  4. Step 4: Simplify right side
    490,552.23x = 184,678,793,609.99
  5. Step 5: Solve for x
    x = 184,678,793,609.99/490,552.23
  6. Step 6: Final answer
    x = 376,471.21

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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.