Home / 936,637.44-1,405,018.80-329,353.20

Finding the Fourth Proportional to 936,637.44, 1,405,018.80 and 329,353.20

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Solution

The fourth proportional to 936,637.44, 1,405,018.80 and 329,353.20 is: 494,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,637.44 : 1,405,018.80 = 329,353.20 : x
  2. Step 2: Convert to fraction form
    936,637.44/1,405,018.80 = 329,353.20/x
  3. Step 3: Cross multiply
    936,637.44x = 1,405,018.80 × 329,353.20
  4. Step 4: Simplify right side
    936,637.44x = 462,747,437,840.16
  5. Step 5: Solve for x
    x = 462,747,437,840.16/936,637.44
  6. Step 6: Final answer
    x = 494,051.83

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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.