Finding the Fourth Proportional to 628,972.04, 867,955.35 and 342,491.44
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Solution
The fourth proportional to 628,972.04, 867,955.35 and 342,491.44 is: 472,623.99
Step by Step Solution
- Step 1: Write the proportion equation
628,972.04 : 867,955.35 = 342,491.44 : x - Step 2: Convert to fraction form
628,972.04/867,955.35 = 342,491.44/x - Step 3: Cross multiply
628,972.04x = 867,955.35 × 342,491.44 - Step 4: Simplify right side
628,972.04x = 297,267,277,677.20 - Step 5: Solve for x
x = 297,267,277,677.20/628,972.04 - Step 6: Final answer
x = 472,623.99
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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.