Home / 789,569.02-1,089,613.83-426,999.93

Finding the Fourth Proportional to 789,569.02, 1,089,613.83 and 426,999.93

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Solution

The fourth proportional to 789,569.02, 1,089,613.83 and 426,999.93 is: 589,264.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,569.02 : 1,089,613.83 = 426,999.93 : x
  2. Step 2: Convert to fraction form
    789,569.02/1,089,613.83 = 426,999.93/x
  3. Step 3: Cross multiply
    789,569.02x = 1,089,613.83 × 426,999.93
  4. Step 4: Simplify right side
    789,569.02x = 465,265,029,137.03
  5. Step 5: Solve for x
    x = 465,265,029,137.03/789,569.02
  6. Step 6: Final answer
    x = 589,264.54

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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.