Finding the Fourth Proportional to 724,780.44, 1,000,241.87 and 402,492.78
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Solution
The fourth proportional to 724,780.44, 1,000,241.87 and 402,492.78 is: 555,464.95
Step by Step Solution
- Step 1: Write the proportion equation
724,780.44 : 1,000,241.87 = 402,492.78 : x - Step 2: Convert to fraction form
724,780.44/1,000,241.87 = 402,492.78/x - Step 3: Cross multiply
724,780.44x = 1,000,241.87 × 402,492.78 - Step 4: Simplify right side
724,780.44x = 402,590,128,916.24 - Step 5: Solve for x
x = 402,590,128,916.24/724,780.44 - Step 6: Final answer
x = 555,464.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.