Finding the Fourth Proportional to 578,463.08, 798,270.90 and 323,813.96
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Solution
The fourth proportional to 578,463.08, 798,270.90 and 323,813.96 is: 446,858.70
Step by Step Solution
- Step 1: Write the proportion equation
578,463.08 : 798,270.90 = 323,813.96 : x - Step 2: Convert to fraction form
578,463.08/798,270.90 = 323,813.96/x - Step 3: Cross multiply
578,463.08x = 798,270.90 × 323,813.96 - Step 4: Simplify right side
578,463.08x = 258,491,261,281.76 - Step 5: Solve for x
x = 258,491,261,281.76/578,463.08 - Step 6: Final answer
x = 446,858.70
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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.