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Finding the Fourth Proportional to 450,014.70, 674,244.45 and 380,030.70

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Solution

The fourth proportional to 450,014.70, 674,244.45 and 380,030.70 is: 569,389.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,014.70 : 674,244.45 = 380,030.70 : x
  2. Step 2: Convert to fraction form
    450,014.70/674,244.45 = 380,030.70/x
  3. Step 3: Cross multiply
    450,014.70x = 674,244.45 × 380,030.70
  4. Step 4: Simplify right side
    450,014.70x = 256,233,590,304.62
  5. Step 5: Solve for x
    x = 256,233,590,304.62/450,014.70
  6. Step 6: Final answer
    x = 569,389.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.