Home / 789,477.04-1,089,477.48-426,899.98

Finding the Fourth Proportional to 789,477.04, 1,089,477.48 and 426,899.98

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Solution

The fourth proportional to 789,477.04, 1,089,477.48 and 426,899.98 is: 589,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,477.04 : 1,089,477.48 = 426,899.98 : x
  2. Step 2: Convert to fraction form
    789,477.04/1,089,477.48 = 426,899.98/x
  3. Step 3: Cross multiply
    789,477.04x = 1,089,477.48 × 426,899.98
  4. Step 4: Simplify right side
    789,477.04x = 465,097,914,422.45
  5. Step 5: Solve for x
    x = 465,097,914,422.45/789,477.04
  6. Step 6: Final answer
    x = 589,121.52

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Double scale
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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.