Finding the Fourth Proportional to 629,451.99, 868,643.88 and 342,972.12
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Solution
The fourth proportional to 629,451.99, 868,643.88 and 342,972.12 is: 473,301.60
Step by Step Solution
- Step 1: Write the proportion equation
629,451.99 : 868,643.88 = 342,972.12 : x - Step 2: Convert to fraction form
629,451.99/868,643.88 = 342,972.12/x - Step 3: Cross multiply
629,451.99x = 868,643.88 × 342,972.12 - Step 4: Simplify right side
629,451.99x = 297,920,633,048.63 - Step 5: Solve for x
x = 297,920,633,048.63/629,451.99 - Step 6: Final answer
x = 473,301.60
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1.5x scale
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.