Finding the Fourth Proportional to 563,566.08, 777,741.12 and 308,917.20
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Solution
The fourth proportional to 563,566.08, 777,741.12 and 308,917.20 is: 426,316.66
Step by Step Solution
- Step 1: Write the proportion equation
563,566.08 : 777,741.12 = 308,917.20 : x - Step 2: Convert to fraction form
563,566.08/777,741.12 = 308,917.20/x - Step 3: Cross multiply
563,566.08x = 777,741.12 × 308,917.20 - Step 4: Simplify right side
563,566.08x = 240,257,609,115.26 - Step 5: Solve for x
x = 240,257,609,115.26/563,566.08 - Step 6: Final answer
x = 426,316.66
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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.