Finding the Fourth Proportional to 633,416.57, 874,114.98 and 346,946.91
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Solution
The fourth proportional to 633,416.57, 874,114.98 and 346,946.91 is: 478,786.80
Step by Step Solution
- Step 1: Write the proportion equation
633,416.57 : 874,114.98 = 346,946.91 : x - Step 2: Convert to fraction form
633,416.57/874,114.98 = 346,946.91/x - Step 3: Cross multiply
633,416.57x = 874,114.98 × 346,946.91 - Step 4: Simplify right side
633,416.57x = 303,271,491,295.71 - Step 5: Solve for x
x = 303,271,491,295.71/633,416.57 - Step 6: Final answer
x = 478,786.80
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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.