Home / 789,407.82-1,089,880.92-547,605.81

Finding the Fourth Proportional to 789,407.82, 1,089,880.92 and 547,605.81

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Solution

The fourth proportional to 789,407.82, 1,089,880.92 and 547,605.81 is: 756,041.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,407.82 : 1,089,880.92 = 547,605.81 : x
  2. Step 2: Convert to fraction form
    789,407.82/1,089,880.92 = 547,605.81/x
  3. Step 3: Cross multiply
    789,407.82x = 1,089,880.92 × 547,605.81
  4. Step 4: Simplify right side
    789,407.82x = 596,825,124,000.15
  5. Step 5: Solve for x
    x = 596,825,124,000.15/789,407.82
  6. Step 6: Final answer
    x = 756,041.57

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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.