Home / 794,212.80-1,191,319.20-478,507.20

Finding the Fourth Proportional to 794,212.80, 1,191,319.20 and 478,507.20

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Solution

The fourth proportional to 794,212.80, 1,191,319.20 and 478,507.20 is: 717,760.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,212.80 : 1,191,319.20 = 478,507.20 : x
  2. Step 2: Convert to fraction form
    794,212.80/1,191,319.20 = 478,507.20/x
  3. Step 3: Cross multiply
    794,212.80x = 1,191,319.20 × 478,507.20
  4. Step 4: Simplify right side
    794,212.80x = 570,054,814,698.24
  5. Step 5: Solve for x
    x = 570,054,814,698.24/794,212.80
  6. Step 6: Final answer
    x = 717,760.80

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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.