Home / 789,450.07-1,089,447.24-435,841.89

Finding the Fourth Proportional to 789,450.07, 1,089,447.24 and 435,841.89

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Solution

The fourth proportional to 789,450.07, 1,089,447.24 and 435,841.89 is: 601,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,450.07 : 1,089,447.24 = 435,841.89 : x
  2. Step 2: Convert to fraction form
    789,450.07/1,089,447.24 = 435,841.89/x
  3. Step 3: Cross multiply
    789,450.07x = 1,089,447.24 × 435,841.89
  4. Step 4: Simplify right side
    789,450.07x = 474,826,744,136.88
  5. Step 5: Solve for x
    x = 474,826,744,136.88/789,450.07
  6. Step 6: Final answer
    x = 601,465.20

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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.