Finding the Fourth Proportional to 828,562.98, 1,143,406.02 and 465,986.70
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Solution
The fourth proportional to 828,562.98, 1,143,406.02 and 465,986.70 is: 643,055.52
Step by Step Solution
- Step 1: Write the proportion equation
828,562.98 : 1,143,406.02 = 465,986.70 : x - Step 2: Convert to fraction form
828,562.98/1,143,406.02 = 465,986.70/x - Step 3: Cross multiply
828,562.98x = 1,143,406.02 × 465,986.70 - Step 4: Simplify right side
828,562.98x = 532,811,998,019.93 - Step 5: Solve for x
x = 532,811,998,019.93/828,562.98 - Step 6: Final answer
x = 643,055.52
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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.