Finding the Fourth Proportional to 521,597.19, 782,395.80 and 284,810.70
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Solution
The fourth proportional to 521,597.19, 782,395.80 and 284,810.70 is: 427,216.06
Step by Step Solution
- Step 1: Write the proportion equation
521,597.19 : 782,395.80 = 284,810.70 : x - Step 2: Convert to fraction form
521,597.19/782,395.80 = 284,810.70/x - Step 3: Cross multiply
521,597.19x = 782,395.80 × 284,810.70 - Step 4: Simplify right side
521,597.19x = 222,834,695,475.06 - Step 5: Solve for x
x = 222,834,695,475.06/521,597.19 - Step 6: Final answer
x = 427,216.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.