Finding the Fourth Proportional to 768,926.19, 1,061,127.05 and 424,754.99
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Solution
The fourth proportional to 768,926.19, 1,061,127.05 and 424,754.99 is: 586,166.81
Step by Step Solution
- Step 1: Write the proportion equation
768,926.19 : 1,061,127.05 = 424,754.99 : x - Step 2: Convert to fraction form
768,926.19/1,061,127.05 = 424,754.99/x - Step 3: Cross multiply
768,926.19x = 1,061,127.05 × 424,754.99 - Step 4: Simplify right side
768,926.19x = 450,719,009,511.48 - Step 5: Solve for x
x = 450,719,009,511.48/768,926.19 - Step 6: Final answer
x = 586,166.81
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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.