Home / 874,979.99-1,207,465.16-487,790.77

Finding the Fourth Proportional to 874,979.99, 1,207,465.16 and 487,790.77

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Solution

The fourth proportional to 874,979.99, 1,207,465.16 and 487,790.77 is: 673,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,979.99 : 1,207,465.16 = 487,790.77 : x
  2. Step 2: Convert to fraction form
    874,979.99/1,207,465.16 = 487,790.77/x
  3. Step 3: Cross multiply
    874,979.99x = 1,207,465.16 × 487,790.77
  4. Step 4: Simplify right side
    874,979.99x = 588,990,360,144.57
  5. Step 5: Solve for x
    x = 588,990,360,144.57/874,979.99
  6. Step 6: Final answer
    x = 673,147.24

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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.