Finding the Fourth Proportional to 640,962.17, 884,491.81 and 350,515.95
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Solution
The fourth proportional to 640,962.17, 884,491.81 and 350,515.95 is: 483,692.33
Step by Step Solution
- Step 1: Write the proportion equation
640,962.17 : 884,491.81 = 350,515.95 : x - Step 2: Convert to fraction form
640,962.17/884,491.81 = 350,515.95/x - Step 3: Cross multiply
640,962.17x = 884,491.81 × 350,515.95 - Step 4: Simplify right side
640,962.17x = 310,028,487,049.37 - Step 5: Solve for x
x = 310,028,487,049.37/640,962.17 - Step 6: Final answer
x = 483,692.33
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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.