Home / 687,622.80-1,031,693.40-332,950.80

Finding the Fourth Proportional to 687,622.80, 1,031,693.40 and 332,950.80

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Solution

The fourth proportional to 687,622.80, 1,031,693.40 and 332,950.80 is: 499,551.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,622.80 : 1,031,693.40 = 332,950.80 : x
  2. Step 2: Convert to fraction form
    687,622.80/1,031,693.40 = 332,950.80/x
  3. Step 3: Cross multiply
    687,622.80x = 1,031,693.40 × 332,950.80
  4. Step 4: Simplify right side
    687,622.80x = 343,503,142,884.72
  5. Step 5: Solve for x
    x = 343,503,142,884.72/687,622.80
  6. Step 6: Final answer
    x = 499,551.71

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1.5x scale

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.