Finding the Fourth Proportional to 807,916.64, 1,115,989.84 and 603,612.48
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Solution
The fourth proportional to 807,916.64, 1,115,989.84 and 603,612.48 is: 833,780.82
Step by Step Solution
- Step 1: Write the proportion equation
807,916.64 : 1,115,989.84 = 603,612.48 : x - Step 2: Convert to fraction form
807,916.64/1,115,989.84 = 603,612.48/x - Step 3: Cross multiply
807,916.64x = 1,115,989.84 × 603,612.48 - Step 4: Simplify right side
807,916.64x = 673,625,394,977.20 - Step 5: Solve for x
x = 673,625,394,977.20/807,916.64 - Step 6: Final answer
x = 833,780.82
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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.