Home / 886,675.40-1,330,458.06-413,397.80

Finding the Fourth Proportional to 886,675.40, 1,330,458.06 and 413,397.80

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Solution

The fourth proportional to 886,675.40, 1,330,458.06 and 413,397.80 is: 620,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,675.40 : 1,330,458.06 = 413,397.80 : x
  2. Step 2: Convert to fraction form
    886,675.40/1,330,458.06 = 413,397.80/x
  3. Step 3: Cross multiply
    886,675.40x = 1,330,458.06 × 413,397.80
  4. Step 4: Simplify right side
    886,675.40x = 550,008,434,996.27
  5. Step 5: Solve for x
    x = 550,008,434,996.27/886,675.40
  6. Step 6: Final answer
    x = 620,304.16

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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.