Finding the Fourth Proportional to 810,970.68, 1,119,091.64 and 448,366.08
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Solution
The fourth proportional to 810,970.68, 1,119,091.64 and 448,366.08 is: 618,718.71
Step by Step Solution
- Step 1: Write the proportion equation
810,970.68 : 1,119,091.64 = 448,366.08 : x - Step 2: Convert to fraction form
810,970.68/1,119,091.64 = 448,366.08/x - Step 3: Cross multiply
810,970.68x = 1,119,091.64 × 448,366.08 - Step 4: Simplify right side
810,970.68x = 501,762,731,787.57 - Step 5: Solve for x
x = 501,762,731,787.57/810,970.68 - Step 6: Final answer
x = 618,718.71
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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.