Home / 874,303.14-1,206,558.82-487,144.66

Finding the Fourth Proportional to 874,303.14, 1,206,558.82 and 487,144.66

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Solution

The fourth proportional to 874,303.14, 1,206,558.82 and 487,144.66 is: 672,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,303.14 : 1,206,558.82 = 487,144.66 : x
  2. Step 2: Convert to fraction form
    874,303.14/1,206,558.82 = 487,144.66/x
  3. Step 3: Cross multiply
    874,303.14x = 1,206,558.82 × 487,144.66
  4. Step 4: Simplify right side
    874,303.14x = 587,768,686,138.90
  5. Step 5: Solve for x
    x = 587,768,686,138.90/874,303.14
  6. Step 6: Final answer
    x = 672,271.05

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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.