Finding the Fourth Proportional to 1,145,251.80, 1,718,579.70 and 471,655.80
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Solution
The fourth proportional to 1,145,251.80, 1,718,579.70 and 471,655.80 is: 707,772.81
Step by Step Solution
- Step 1: Write the proportion equation
1,145,251.80 : 1,718,579.70 = 471,655.80 : x - Step 2: Convert to fraction form
1,145,251.80/1,718,579.70 = 471,655.80/x - Step 3: Cross multiply
1,145,251.80x = 1,718,579.70 × 471,655.80 - Step 4: Simplify right side
1,145,251.80x = 810,578,083,267.26 - Step 5: Solve for x
x = 810,578,083,267.26/1,145,251.80 - Step 6: Final answer
x = 707,772.81
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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.