Home / 690,582.16-1,035,944.75-264,115.32

Finding the Fourth Proportional to 690,582.16, 1,035,944.75 and 264,115.32

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Solution

The fourth proportional to 690,582.16, 1,035,944.75 and 264,115.32 is: 396,200.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,582.16 : 1,035,944.75 = 264,115.32 : x
  2. Step 2: Convert to fraction form
    690,582.16/1,035,944.75 = 264,115.32/x
  3. Step 3: Cross multiply
    690,582.16x = 1,035,944.75 × 264,115.32
  4. Step 4: Simplify right side
    690,582.16x = 273,608,879,148.57
  5. Step 5: Solve for x
    x = 273,608,879,148.57/690,582.16
  6. Step 6: Final answer
    x = 396,200.33

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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.