Home / 812,670.03-1,219,503.30-363,770.46

Finding the Fourth Proportional to 812,670.03, 1,219,503.30 and 363,770.46

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Solution

The fourth proportional to 812,670.03, 1,219,503.30 and 363,770.46 is: 545,878.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,670.03 : 1,219,503.30 = 363,770.46 : x
  2. Step 2: Convert to fraction form
    812,670.03/1,219,503.30 = 363,770.46/x
  3. Step 3: Cross multiply
    812,670.03x = 1,219,503.30 × 363,770.46
  4. Step 4: Simplify right side
    812,670.03x = 443,619,275,048.38
  5. Step 5: Solve for x
    x = 443,619,275,048.38/812,670.03
  6. Step 6: Final answer
    x = 545,878.72

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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.