Finding the Fourth Proportional to 902,437.84, 1,245,366.12 and 500,029.84
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Solution
The fourth proportional to 902,437.84, 1,245,366.12 and 500,029.84 is: 690,042.23
Step by Step Solution
- Step 1: Write the proportion equation
902,437.84 : 1,245,366.12 = 500,029.84 : x - Step 2: Convert to fraction form
902,437.84/1,245,366.12 = 500,029.84/x - Step 3: Cross multiply
902,437.84x = 1,245,366.12 × 500,029.84 - Step 4: Simplify right side
902,437.84x = 622,720,221,725.02 - Step 5: Solve for x
x = 622,720,221,725.02/902,437.84 - Step 6: Final answer
x = 690,042.23
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1.5x scale
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.