Home / 513,018.45-708,035.78-295,222.64

Finding the Fourth Proportional to 513,018.45, 708,035.78 and 295,222.64

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Solution

The fourth proportional to 513,018.45, 708,035.78 and 295,222.64 is: 407,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,018.45 : 708,035.78 = 295,222.64 : x
  2. Step 2: Convert to fraction form
    513,018.45/708,035.78 = 295,222.64/x
  3. Step 3: Cross multiply
    513,018.45x = 708,035.78 × 295,222.64
  4. Step 4: Simplify right side
    513,018.45x = 209,028,187,169.77
  5. Step 5: Solve for x
    x = 209,028,187,169.77/513,018.45
  6. Step 6: Final answer
    x = 407,447.70

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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.