Finding the Fourth Proportional to 720,814.08, 993,652.64 and 618,345.84
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Solution
The fourth proportional to 720,814.08, 993,652.64 and 618,345.84 is: 852,398.69
Step by Step Solution
- Step 1: Write the proportion equation
720,814.08 : 993,652.64 = 618,345.84 : x - Step 2: Convert to fraction form
720,814.08/993,652.64 = 618,345.84/x - Step 3: Cross multiply
720,814.08x = 993,652.64 × 618,345.84 - Step 4: Simplify right side
720,814.08x = 614,420,976,349.02 - Step 5: Solve for x
x = 614,420,976,349.02/720,814.08 - Step 6: Final answer
x = 852,398.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.