Home / 936,784.08-1,405,323-305,552.16

Finding the Fourth Proportional to 936,784.08, 1,405,323 and 305,552.16

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Solution

The fourth proportional to 936,784.08, 1,405,323 and 305,552.16 is: 458,376.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,784.08 : 1,405,323 = 305,552.16 : x
  2. Step 2: Convert to fraction form
    936,784.08/1,405,323 = 305,552.16/x
  3. Step 3: Cross multiply
    936,784.08x = 1,405,323 × 305,552.16
  4. Step 4: Simplify right side
    936,784.08x = 429,399,478,147.68
  5. Step 5: Solve for x
    x = 429,399,478,147.68/936,784.08
  6. Step 6: Final answer
    x = 458,376.15

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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.