Finding the Fourth Proportional to 798,652.56, 1,102,010.42 and 471,920.10
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Solution
The fourth proportional to 798,652.56, 1,102,010.42 and 471,920.10 is: 651,172.85
Step by Step Solution
- Step 1: Write the proportion equation
798,652.56 : 1,102,010.42 = 471,920.10 : x - Step 2: Convert to fraction form
798,652.56/1,102,010.42 = 471,920.10/x - Step 3: Cross multiply
798,652.56x = 1,102,010.42 × 471,920.10 - Step 4: Simplify right side
798,652.56x = 520,060,867,607.44 - Step 5: Solve for x
x = 520,060,867,607.44/798,652.56 - Step 6: Final answer
x = 651,172.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.