Home / 324,427.74-444,458.55-312,298.41

Finding the Fourth Proportional to 324,427.74, 444,458.55 and 312,298.41

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Solution

The fourth proportional to 324,427.74, 444,458.55 and 312,298.41 is: 427,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,427.74 : 444,458.55 = 312,298.41 : x
  2. Step 2: Convert to fraction form
    324,427.74/444,458.55 = 312,298.41/x
  3. Step 3: Cross multiply
    324,427.74x = 444,458.55 × 312,298.41
  4. Step 4: Simplify right side
    324,427.74x = 138,803,698,475.91
  5. Step 5: Solve for x
    x = 138,803,698,475.91/324,427.74
  6. Step 6: Final answer
    x = 427,841.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.