Finding the Fourth Proportional to 873,982.24, 1,311,482.16 and 368,511.52
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Solution
The fourth proportional to 873,982.24, 1,311,482.16 and 368,511.52 is: 552,981.81
Step by Step Solution
- Step 1: Write the proportion equation
873,982.24 : 1,311,482.16 = 368,511.52 : x - Step 2: Convert to fraction form
873,982.24/1,311,482.16 = 368,511.52/x - Step 3: Cross multiply
873,982.24x = 1,311,482.16 × 368,511.52 - Step 4: Simplify right side
873,982.24x = 483,296,284,234.48 - Step 5: Solve for x
x = 483,296,284,234.48/873,982.24 - Step 6: Final answer
x = 552,981.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.