Finding the Fourth Proportional to 710,135.68, 979,981.98 and 387,845.92
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Solution
The fourth proportional to 710,135.68, 979,981.98 and 387,845.92 is: 535,224.50
Step by Step Solution
- Step 1: Write the proportion equation
710,135.68 : 979,981.98 = 387,845.92 : x - Step 2: Convert to fraction form
710,135.68/979,981.98 = 387,845.92/x - Step 3: Cross multiply
710,135.68x = 979,981.98 × 387,845.92 - Step 4: Simplify right side
710,135.68x = 380,082,012,616.52 - Step 5: Solve for x
x = 380,082,012,616.52/710,135.68 - Step 6: Final answer
x = 535,224.50
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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.