Home / 756,876.65-1,135,314.96-519,499.67

Finding the Fourth Proportional to 756,876.65, 1,135,314.96 and 519,499.67

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Solution

The fourth proportional to 756,876.65, 1,135,314.96 and 519,499.67 is: 779,249.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,876.65 : 1,135,314.96 = 519,499.67 : x
  2. Step 2: Convert to fraction form
    756,876.65/1,135,314.96 = 519,499.67/x
  3. Step 3: Cross multiply
    756,876.65x = 1,135,314.96 × 519,499.67
  4. Step 4: Simplify right side
    756,876.65x = 589,795,741,389.49
  5. Step 5: Solve for x
    x = 589,795,741,389.49/756,876.65
  6. Step 6: Final answer
    x = 779,249.49

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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.