Finding the Fourth Proportional to 579,920.03, 869,166.16 and 276,474.05
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Solution
The fourth proportional to 579,920.03, 869,166.16 and 276,474.05 is: 414,370.73
Step by Step Solution
- Step 1: Write the proportion equation
579,920.03 : 869,166.16 = 276,474.05 : x - Step 2: Convert to fraction form
579,920.03/869,166.16 = 276,474.05/x - Step 3: Cross multiply
579,920.03x = 869,166.16 × 276,474.05 - Step 4: Simplify right side
579,920.03x = 240,301,888,378.15 - Step 5: Solve for x
x = 240,301,888,378.15/579,920.03 - Step 6: Final answer
x = 414,370.73
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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.