Home / 789,246.74-1,089,133.93-499,014.52

Finding the Fourth Proportional to 789,246.74, 1,089,133.93 and 499,014.52

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Solution

The fourth proportional to 789,246.74, 1,089,133.93 and 499,014.52 is: 688,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,246.74 : 1,089,133.93 = 499,014.52 : x
  2. Step 2: Convert to fraction form
    789,246.74/1,089,133.93 = 499,014.52/x
  3. Step 3: Cross multiply
    789,246.74x = 1,089,133.93 × 499,014.52
  4. Step 4: Simplify right side
    789,246.74x = 543,493,641,324.29
  5. Step 5: Solve for x
    x = 543,493,641,324.29/789,246.74
  6. Step 6: Final answer
    x = 688,623.24

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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.