Finding the Fourth Proportional to 553,616.87, 763,991.27 and 298,968.03
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Solution
The fourth proportional to 553,616.87, 763,991.27 and 298,968.03 is: 412,575.88
Step by Step Solution
- Step 1: Write the proportion equation
553,616.87 : 763,991.27 = 298,968.03 : x - Step 2: Convert to fraction form
553,616.87/763,991.27 = 298,968.03/x - Step 3: Cross multiply
553,616.87x = 763,991.27 × 298,968.03 - Step 4: Simplify right side
553,616.87x = 228,408,969,102.05 - Step 5: Solve for x
x = 228,408,969,102.05/553,616.87 - Step 6: Final answer
x = 412,575.88
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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.