Home / 829,012.32-1,243,518.48-229,973.58

Finding the Fourth Proportional to 829,012.32, 1,243,518.48 and 229,973.58

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Solution

The fourth proportional to 829,012.32, 1,243,518.48 and 229,973.58 is: 344,960.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,012.32 : 1,243,518.48 = 229,973.58 : x
  2. Step 2: Convert to fraction form
    829,012.32/1,243,518.48 = 229,973.58/x
  3. Step 3: Cross multiply
    829,012.32x = 1,243,518.48 × 229,973.58
  4. Step 4: Simplify right side
    829,012.32x = 285,976,396,641.76
  5. Step 5: Solve for x
    x = 285,976,396,641.76/829,012.32
  6. Step 6: Final answer
    x = 344,960.37

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Double scale
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Similar ratio
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1.5x scale

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.