Home / 505,018.24-697,849.05-480,416.92

Finding the Fourth Proportional to 505,018.24, 697,849.05 and 480,416.92

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Solution

The fourth proportional to 505,018.24, 697,849.05 and 480,416.92 is: 663,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,018.24 : 697,849.05 = 480,416.92 : x
  2. Step 2: Convert to fraction form
    505,018.24/697,849.05 = 480,416.92/x
  3. Step 3: Cross multiply
    505,018.24x = 697,849.05 × 480,416.92
  4. Step 4: Simplify right side
    505,018.24x = 335,258,491,225.93
  5. Step 5: Solve for x
    x = 335,258,491,225.93/505,018.24
  6. Step 6: Final answer
    x = 663,854.22

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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.