Finding the Fourth Proportional to 811,003.02, 1,119,138.96 and 448,405.08
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Solution
The fourth proportional to 811,003.02, 1,119,138.96 and 448,405.08 is: 618,774.02
Step by Step Solution
- Step 1: Write the proportion equation
811,003.02 : 1,119,138.96 = 448,405.08 : x - Step 2: Convert to fraction form
811,003.02/1,119,138.96 = 448,405.08/x - Step 3: Cross multiply
811,003.02x = 1,119,138.96 × 448,405.08 - Step 4: Simplify right side
811,003.02x = 501,827,594,889.92 - Step 5: Solve for x
x = 501,827,594,889.92/811,003.02 - Step 6: Final answer
x = 618,774.02
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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.