Finding the Fourth Proportional to 894,967.68, 1,342,943.64 and 421,640.76
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Solution
The fourth proportional to 894,967.68, 1,342,943.64 and 421,640.76 is: 632,692.99
Step by Step Solution
- Step 1: Write the proportion equation
894,967.68 : 1,342,943.64 = 421,640.76 : x - Step 2: Convert to fraction form
894,967.68/1,342,943.64 = 421,640.76/x - Step 3: Cross multiply
894,967.68x = 1,342,943.64 × 421,640.76 - Step 4: Simplify right side
894,967.68x = 566,239,777,006.77 - Step 5: Solve for x
x = 566,239,777,006.77/894,967.68 - Step 6: Final answer
x = 632,692.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.