Home / 809,715.70-1,214,602.35-248,749.30

Finding the Fourth Proportional to 809,715.70, 1,214,602.35 and 248,749.30

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Solution

The fourth proportional to 809,715.70, 1,214,602.35 and 248,749.30 is: 373,132.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,715.70 : 1,214,602.35 = 248,749.30 : x
  2. Step 2: Convert to fraction form
    809,715.70/1,214,602.35 = 248,749.30/x
  3. Step 3: Cross multiply
    809,715.70x = 1,214,602.35 × 248,749.30
  4. Step 4: Simplify right side
    809,715.70x = 302,131,484,340.86
  5. Step 5: Solve for x
    x = 302,131,484,340.86/809,715.70
  6. Step 6: Final answer
    x = 373,132.80

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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.