Finding the Fourth Proportional to 640,981.20, 884,527.38 and 350,588.10
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Solution
The fourth proportional to 640,981.20, 884,527.38 and 350,588.10 is: 483,796.99
Step by Step Solution
- Step 1: Write the proportion equation
640,981.20 : 884,527.38 = 350,588.10 : x - Step 2: Convert to fraction form
640,981.20/884,527.38 = 350,588.10/x - Step 3: Cross multiply
640,981.20x = 884,527.38 × 350,588.10 - Step 4: Simplify right side
640,981.20x = 310,104,773,552.18 - Step 5: Solve for x
x = 310,104,773,552.18/640,981.20 - Step 6: Final answer
x = 483,796.99
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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.