Home / 401,815.70-602,723.46-313,135.52

Finding the Fourth Proportional to 401,815.70, 602,723.46 and 313,135.52

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Solution

The fourth proportional to 401,815.70, 602,723.46 and 313,135.52 is: 469,703.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,815.70 : 602,723.46 = 313,135.52 : x
  2. Step 2: Convert to fraction form
    401,815.70/602,723.46 = 313,135.52/x
  3. Step 3: Cross multiply
    401,815.70x = 602,723.46 × 313,135.52
  4. Step 4: Simplify right side
    401,815.70x = 188,734,124,063.30
  5. Step 5: Solve for x
    x = 188,734,124,063.30/401,815.70
  6. Step 6: Final answer
    x = 469,703.21

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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.