Home / 808,299.88-1,212,574.40-275,696.48

Finding the Fourth Proportional to 808,299.88, 1,212,574.40 and 275,696.48

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Solution

The fourth proportional to 808,299.88, 1,212,574.40 and 275,696.48 is: 413,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,299.88 : 1,212,574.40 = 275,696.48 : x
  2. Step 2: Convert to fraction form
    808,299.88/1,212,574.40 = 275,696.48/x
  3. Step 3: Cross multiply
    808,299.88x = 1,212,574.40 × 275,696.48
  4. Step 4: Simplify right side
    808,299.88x = 334,302,493,818.11
  5. Step 5: Solve for x
    x = 334,302,493,818.11/808,299.88
  6. Step 6: Final answer
    x = 413,587.21

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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.