Home / 922,914.60-1,384,631.10-449,615.40

Finding the Fourth Proportional to 922,914.60, 1,384,631.10 and 449,615.40

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Solution

The fourth proportional to 922,914.60, 1,384,631.10 and 449,615.40 is: 674,549.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,914.60 : 1,384,631.10 = 449,615.40 : x
  2. Step 2: Convert to fraction form
    922,914.60/1,384,631.10 = 449,615.40/x
  3. Step 3: Cross multiply
    922,914.60x = 1,384,631.10 × 449,615.40
  4. Step 4: Simplify right side
    922,914.60x = 622,551,465,878.94
  5. Step 5: Solve for x
    x = 622,551,465,878.94/922,914.60
  6. Step 6: Final answer
    x = 674,549.37

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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.