Home / 789,646.15-1,089,711.66-427,070.00

Finding the Fourth Proportional to 789,646.15, 1,089,711.66 and 427,070.00

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Solution

The fourth proportional to 789,646.15, 1,089,711.66 and 427,070.00 is: 589,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,646.15 : 1,089,711.66 = 427,070.00 : x
  2. Step 2: Convert to fraction form
    789,646.15/1,089,711.66 = 427,070.00/x
  3. Step 3: Cross multiply
    789,646.15x = 1,089,711.66 × 427,070.00
  4. Step 4: Simplify right side
    789,646.15x = 465,383,162,961.99
  5. Step 5: Solve for x
    x = 465,383,162,961.99/789,646.15
  6. Step 6: Final answer
    x = 589,356.59

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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.