Finding the Fourth Proportional to 448,936.97, 673,671.35 and 420,533.48
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Solution
The fourth proportional to 448,936.97, 673,671.35 and 420,533.48 is: 631,049.29
Step by Step Solution
- Step 1: Write the proportion equation
448,936.97 : 673,671.35 = 420,533.48 : x - Step 2: Convert to fraction form
448,936.97/673,671.35 = 420,533.48/x - Step 3: Cross multiply
448,936.97x = 673,671.35 × 420,533.48 - Step 4: Simplify right side
448,936.97x = 283,301,356,773.31 - Step 5: Solve for x
x = 283,301,356,773.31/448,936.97 - Step 6: Final answer
x = 631,049.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.