Finding the Fourth Proportional to 629,880.84, 868,700.78 and 532,242.42
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Solution
The fourth proportional to 629,880.84, 868,700.78 and 532,242.42 is: 734,042.65
Step by Step Solution
- Step 1: Write the proportion equation
629,880.84 : 868,700.78 = 532,242.42 : x - Step 2: Convert to fraction form
629,880.84/868,700.78 = 532,242.42/x - Step 3: Cross multiply
629,880.84x = 868,700.78 × 532,242.42 - Step 4: Simplify right side
629,880.84x = 462,359,402,741.88 - Step 5: Solve for x
x = 462,359,402,741.88/629,880.84 - Step 6: Final answer
x = 734,042.65
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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.