Home / 704,004.80-1,055,143.20-479,364.80

Finding the Fourth Proportional to 704,004.80, 1,055,143.20 and 479,364.80

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Solution

The fourth proportional to 704,004.80, 1,055,143.20 and 479,364.80 is: 718,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,004.80 : 1,055,143.20 = 479,364.80 : x
  2. Step 2: Convert to fraction form
    704,004.80/1,055,143.20 = 479,364.80/x
  3. Step 3: Cross multiply
    704,004.80x = 1,055,143.20 × 479,364.80
  4. Step 4: Simplify right side
    704,004.80x = 505,798,509,039.36
  5. Step 5: Solve for x
    x = 505,798,509,039.36/704,004.80
  6. Step 6: Final answer
    x = 718,458.89

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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.