Home / 869,580.80-1,303,723.20-449,158.40

Finding the Fourth Proportional to 869,580.80, 1,303,723.20 and 449,158.40

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Solution

The fourth proportional to 869,580.80, 1,303,723.20 and 449,158.40 is: 673,402.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,580.80 : 1,303,723.20 = 449,158.40 : x
  2. Step 2: Convert to fraction form
    869,580.80/1,303,723.20 = 449,158.40/x
  3. Step 3: Cross multiply
    869,580.80x = 1,303,723.20 × 449,158.40
  4. Step 4: Simplify right side
    869,580.80x = 585,578,226,554.88
  5. Step 5: Solve for x
    x = 585,578,226,554.88/869,580.80
  6. Step 6: Final answer
    x = 673,402.89

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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.