Finding the Fourth Proportional to 823,201.36, 1,234,802.04 and 542,653
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Solution
The fourth proportional to 823,201.36, 1,234,802.04 and 542,653 is: 813,979.50
Step by Step Solution
- Step 1: Write the proportion equation
823,201.36 : 1,234,802.04 = 542,653 : x - Step 2: Convert to fraction form
823,201.36/1,234,802.04 = 542,653/x - Step 3: Cross multiply
823,201.36x = 1,234,802.04 × 542,653 - Step 4: Simplify right side
823,201.36x = 670,069,031,412.12 - Step 5: Solve for x
x = 670,069,031,412.12/823,201.36 - Step 6: Final answer
x = 813,979.50
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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.