Finding the Fourth Proportional to 780,153.68, 1,170,271.04 and 247,716.40
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Solution
The fourth proportional to 780,153.68, 1,170,271.04 and 247,716.40 is: 371,587.47
Step by Step Solution
- Step 1: Write the proportion equation
780,153.68 : 1,170,271.04 = 247,716.40 : x - Step 2: Convert to fraction form
780,153.68/1,170,271.04 = 247,716.40/x - Step 3: Cross multiply
780,153.68x = 1,170,271.04 × 247,716.40 - Step 4: Simplify right side
780,153.68x = 289,895,329,053.06 - Step 5: Solve for x
x = 289,895,329,053.06/780,153.68 - Step 6: Final answer
x = 371,587.47
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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.