Finding the Fourth Proportional to 487,101.20, 730,378.40 and 335,476.49
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Solution
The fourth proportional to 487,101.20, 730,378.40 and 335,476.49 is: 503,026.43
Step by Step Solution
- Step 1: Write the proportion equation
487,101.20 : 730,378.40 = 335,476.49 : x - Step 2: Convert to fraction form
487,101.20/730,378.40 = 335,476.49/x - Step 3: Cross multiply
487,101.20x = 730,378.40 × 335,476.49 - Step 4: Simplify right side
487,101.20x = 245,024,776,674.54 - Step 5: Solve for x
x = 245,024,776,674.54/487,101.20 - Step 6: Final answer
x = 503,026.43
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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.