Finding the Fourth Proportional to 626,601.70, 864,707.43 and 340,119.28
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Solution
The fourth proportional to 626,601.70, 864,707.43 and 340,119.28 is: 469,363.02
Step by Step Solution
- Step 1: Write the proportion equation
626,601.70 : 864,707.43 = 340,119.28 : x - Step 2: Convert to fraction form
626,601.70/864,707.43 = 340,119.28/x - Step 3: Cross multiply
626,601.70x = 864,707.43 × 340,119.28 - Step 4: Simplify right side
626,601.70x = 294,103,668,502.25 - Step 5: Solve for x
x = 294,103,668,502.25/626,601.70 - Step 6: Final answer
x = 469,363.02
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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.