Home / 789,463.63-1,089,459.03-426,886.62

Finding the Fourth Proportional to 789,463.63, 1,089,459.03 and 426,886.62

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Solution

The fourth proportional to 789,463.63, 1,089,459.03 and 426,886.62 is: 589,103.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,463.63 : 1,089,459.03 = 426,886.62 : x
  2. Step 2: Convert to fraction form
    789,463.63/1,089,459.03 = 426,886.62/x
  3. Step 3: Cross multiply
    789,463.63x = 1,089,459.03 × 426,886.62
  4. Step 4: Simplify right side
    789,463.63x = 465,075,486,588.74
  5. Step 5: Solve for x
    x = 465,075,486,588.74/789,463.63
  6. Step 6: Final answer
    x = 589,103.12

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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.