Home / 789,598.02-1,089,648.52-427,021.88

Finding the Fourth Proportional to 789,598.02, 1,089,648.52 and 427,021.88

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Solution

The fourth proportional to 789,598.02, 1,089,648.52 and 427,021.88 is: 589,291.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,598.02 : 1,089,648.52 = 427,021.88 : x
  2. Step 2: Convert to fraction form
    789,598.02/1,089,648.52 = 427,021.88/x
  3. Step 3: Cross multiply
    789,598.02x = 1,089,648.52 × 427,021.88
  4. Step 4: Simplify right side
    789,598.02x = 465,303,759,549.62
  5. Step 5: Solve for x
    x = 465,303,759,549.62/789,598.02
  6. Step 6: Final answer
    x = 589,291.95

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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.