Finding the Fourth Proportional to 649,512.18, 896,290.43 and 359,106.84
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Solution
The fourth proportional to 649,512.18, 896,290.43 and 359,106.84 is: 495,547.32
Step by Step Solution
- Step 1: Write the proportion equation
649,512.18 : 896,290.43 = 359,106.84 : x - Step 2: Convert to fraction form
649,512.18/896,290.43 = 359,106.84/x - Step 3: Cross multiply
649,512.18x = 896,290.43 × 359,106.84 - Step 4: Simplify right side
649,512.18x = 321,864,022,244.01 - Step 5: Solve for x
x = 321,864,022,244.01/649,512.18 - Step 6: Final answer
x = 495,547.32
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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.