Home / 677,231.85-1,016,016.90-477,941.48

Finding the Fourth Proportional to 677,231.85, 1,016,016.90 and 477,941.48

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Solution

The fourth proportional to 677,231.85, 1,016,016.90 and 477,941.48 is: 717,031.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,231.85 : 1,016,016.90 = 477,941.48 : x
  2. Step 2: Convert to fraction form
    677,231.85/1,016,016.90 = 477,941.48/x
  3. Step 3: Cross multiply
    677,231.85x = 1,016,016.90 × 477,941.48
  4. Step 4: Simplify right side
    677,231.85x = 485,596,614,018.65
  5. Step 5: Solve for x
    x = 485,596,614,018.65/677,231.85
  6. Step 6: Final answer
    x = 717,031.57

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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.