Finding the Fourth Proportional to 810,970.67, 1,119,127.22 and 443,448.99
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Solution
The fourth proportional to 810,970.67, 1,119,127.22 and 443,448.99 is: 611,952.87
Step by Step Solution
- Step 1: Write the proportion equation
810,970.67 : 1,119,127.22 = 443,448.99 : x - Step 2: Convert to fraction form
810,970.67/1,119,127.22 = 443,448.99/x - Step 3: Cross multiply
810,970.67x = 1,119,127.22 × 443,448.99 - Step 4: Simplify right side
810,970.67x = 496,275,828,392.59 - Step 5: Solve for x
x = 496,275,828,392.59/810,970.67 - Step 6: Final answer
x = 611,952.87
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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.