Home / 807,953.76-1,211,961.24-302,461.56

Finding the Fourth Proportional to 807,953.76, 1,211,961.24 and 302,461.56

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Solution

The fourth proportional to 807,953.76, 1,211,961.24 and 302,461.56 is: 453,703.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,953.76 : 1,211,961.24 = 302,461.56 : x
  2. Step 2: Convert to fraction form
    807,953.76/1,211,961.24 = 302,461.56/x
  3. Step 3: Cross multiply
    807,953.76x = 1,211,961.24 × 302,461.56
  4. Step 4: Simplify right side
    807,953.76x = 366,571,687,309.93
  5. Step 5: Solve for x
    x = 366,571,687,309.93/807,953.76
  6. Step 6: Final answer
    x = 453,703.80

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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.