Finding the Fourth Proportional to 563,657.58, 777,844.58 and 305,533.53
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Solution
The fourth proportional to 563,657.58, 777,844.58 and 305,533.53 is: 421,634.71
Step by Step Solution
- Step 1: Write the proportion equation
563,657.58 : 777,844.58 = 305,533.53 : x - Step 2: Convert to fraction form
563,657.58/777,844.58 = 305,533.53/x - Step 3: Cross multiply
563,657.58x = 777,844.58 × 305,533.53 - Step 4: Simplify right side
563,657.58x = 237,657,598,791.10 - Step 5: Solve for x
x = 237,657,598,791.10/563,657.58 - Step 6: Final answer
x = 421,634.71
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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.