Home / 789,707.04-1,089,794.58-445,542.50

Finding the Fourth Proportional to 789,707.04, 1,089,794.58 and 445,542.50

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Solution

The fourth proportional to 789,707.04, 1,089,794.58 and 445,542.50 is: 614,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,707.04 : 1,089,794.58 = 445,542.50 : x
  2. Step 2: Convert to fraction form
    789,707.04/1,089,794.58 = 445,542.50/x
  3. Step 3: Cross multiply
    789,707.04x = 1,089,794.58 × 445,542.50
  4. Step 4: Simplify right side
    789,707.04x = 485,549,801,659.65
  5. Step 5: Solve for x
    x = 485,549,801,659.65/789,707.04
  6. Step 6: Final answer
    x = 614,848.01

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1.5x scale

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.