Finding the Fourth Proportional to 629,585.16, 868,802.24 and 343,099.08
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Solution
The fourth proportional to 629,585.16, 868,802.24 and 343,099.08 is: 473,462.95
Step by Step Solution
- Step 1: Write the proportion equation
629,585.16 : 868,802.24 = 343,099.08 : x - Step 2: Convert to fraction form
629,585.16/868,802.24 = 343,099.08/x - Step 3: Cross multiply
629,585.16x = 868,802.24 × 343,099.08 - Step 4: Simplify right side
629,585.16x = 298,085,249,245.94 - Step 5: Solve for x
x = 298,085,249,245.94/629,585.16 - Step 6: Final answer
x = 473,462.95
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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.