Home / 789,895.62-1,090,052.64-427,318.62

Finding the Fourth Proportional to 789,895.62, 1,090,052.64 and 427,318.62

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Solution

The fourth proportional to 789,895.62, 1,090,052.64 and 427,318.62 is: 589,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,895.62 : 1,090,052.64 = 427,318.62 : x
  2. Step 2: Convert to fraction form
    789,895.62/1,090,052.64 = 427,318.62/x
  3. Step 3: Cross multiply
    789,895.62x = 1,090,052.64 × 427,318.62
  4. Step 4: Simplify right side
    789,895.62x = 465,799,789,852.16
  5. Step 5: Solve for x
    x = 465,799,789,852.16/789,895.62
  6. Step 6: Final answer
    x = 589,697.90

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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.