Home / 789,476.04-1,089,476.10-426,898.98

Finding the Fourth Proportional to 789,476.04, 1,089,476.10 and 426,898.98

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Solution

The fourth proportional to 789,476.04, 1,089,476.10 and 426,898.98 is: 589,120.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,476.04 : 1,089,476.10 = 426,898.98 : x
  2. Step 2: Convert to fraction form
    789,476.04/1,089,476.10 = 426,898.98/x
  3. Step 3: Cross multiply
    789,476.04x = 1,089,476.10 × 426,898.98
  4. Step 4: Simplify right side
    789,476.04x = 465,096,235,824.38
  5. Step 5: Solve for x
    x = 465,096,235,824.38/789,476.04
  6. Step 6: Final answer
    x = 589,120.14

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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.