Finding the Fourth Proportional to 1,087,351.94, 1,630,695 and 518,433.05
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Solution
The fourth proportional to 1,087,351.94, 1,630,695 and 518,433.05 is: 777,490.85
Step by Step Solution
- Step 1: Write the proportion equation
1,087,351.94 : 1,630,695 = 518,433.05 : x - Step 2: Convert to fraction form
1,087,351.94/1,630,695 = 518,433.05/x - Step 3: Cross multiply
1,087,351.94x = 1,630,695 × 518,433.05 - Step 4: Simplify right side
1,087,351.94x = 845,406,182,469.75 - Step 5: Solve for x
x = 845,406,182,469.75/1,087,351.94 - Step 6: Final answer
x = 777,490.85
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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.