Home / 727,879.86-1,004,548.95-437,585.40

Finding the Fourth Proportional to 727,879.86, 1,004,548.95 and 437,585.40

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Solution

The fourth proportional to 727,879.86, 1,004,548.95 and 437,585.40 is: 603,912.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,879.86 : 1,004,548.95 = 437,585.40 : x
  2. Step 2: Convert to fraction form
    727,879.86/1,004,548.95 = 437,585.40/x
  3. Step 3: Cross multiply
    727,879.86x = 1,004,548.95 × 437,585.40
  4. Step 4: Simplify right side
    727,879.86x = 439,575,954,105.33
  5. Step 5: Solve for x
    x = 439,575,954,105.33/727,879.86
  6. Step 6: Final answer
    x = 603,912.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.