Finding the Fourth Proportional to 778,956.37, 1,168,317.61 and 246,408.19
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Solution
The fourth proportional to 778,956.37, 1,168,317.61 and 246,408.19 is: 369,575.29
Step by Step Solution
- Step 1: Write the proportion equation
778,956.37 : 1,168,317.61 = 246,408.19 : x - Step 2: Convert to fraction form
778,956.37/1,168,317.61 = 246,408.19/x - Step 3: Cross multiply
778,956.37x = 1,168,317.61 × 246,408.19 - Step 4: Simplify right side
778,956.37x = 287,883,024,088.41 - Step 5: Solve for x
x = 287,883,024,088.41/778,956.37 - Step 6: Final answer
x = 369,575.29
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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.