Home / 648,719.06-973,171.71-199,477.70

Finding the Fourth Proportional to 648,719.06, 973,171.71 and 199,477.70

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Solution

The fourth proportional to 648,719.06, 973,171.71 and 199,477.70 is: 299,245.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,719.06 : 973,171.71 = 199,477.70 : x
  2. Step 2: Convert to fraction form
    648,719.06/973,171.71 = 199,477.70/x
  3. Step 3: Cross multiply
    648,719.06x = 973,171.71 × 199,477.70
  4. Step 4: Simplify right side
    648,719.06x = 194,126,054,415.87
  5. Step 5: Solve for x
    x = 194,126,054,415.87/648,719.06
  6. Step 6: Final answer
    x = 299,245.18

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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.