Home / 690,581.16-1,035,943.25-264,114.32

Finding the Fourth Proportional to 690,581.16, 1,035,943.25 and 264,114.32

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Solution

The fourth proportional to 690,581.16, 1,035,943.25 and 264,114.32 is: 396,198.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,581.16 : 1,035,943.25 = 264,114.32 : x
  2. Step 2: Convert to fraction form
    690,581.16/1,035,943.25 = 264,114.32/x
  3. Step 3: Cross multiply
    690,581.16x = 1,035,943.25 × 264,114.32
  4. Step 4: Simplify right side
    690,581.16x = 273,607,440,532.05
  5. Step 5: Solve for x
    x = 273,607,440,532.05/690,581.16
  6. Step 6: Final answer
    x = 396,198.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.