Finding the Fourth Proportional to 876,124.70, 1,209,063.50 and 508,687.98
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Solution
The fourth proportional to 876,124.70, 1,209,063.50 and 508,687.98 is: 701,996.04
Step by Step Solution
- Step 1: Write the proportion equation
876,124.70 : 1,209,063.50 = 508,687.98 : x - Step 2: Convert to fraction form
876,124.70/1,209,063.50 = 508,687.98/x - Step 3: Cross multiply
876,124.70x = 1,209,063.50 × 508,687.98 - Step 4: Simplify right side
876,124.70x = 615,036,069,506.73 - Step 5: Solve for x
x = 615,036,069,506.73/876,124.70 - Step 6: Final answer
x = 701,996.04
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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.