Home / 727,550.64-1,089,313.92-371,798.64

Finding the Fourth Proportional to 727,550.64, 1,089,313.92 and 371,798.64

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Solution

The fourth proportional to 727,550.64, 1,089,313.92 and 371,798.64 is: 556,669.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,550.64 : 1,089,313.92 = 371,798.64 : x
  2. Step 2: Convert to fraction form
    727,550.64/1,089,313.92 = 371,798.64/x
  3. Step 3: Cross multiply
    727,550.64x = 1,089,313.92 × 371,798.64
  4. Step 4: Simplify right side
    727,550.64x = 405,005,433,989.07
  5. Step 5: Solve for x
    x = 405,005,433,989.07/727,550.64
  6. Step 6: Final answer
    x = 556,669.75

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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.