Finding the Fourth Proportional to 649,616.20, 974,424.30 and 450,161.80
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Solution
The fourth proportional to 649,616.20, 974,424.30 and 450,161.80 is: 675,242.70
Step by Step Solution
- Step 1: Write the proportion equation
649,616.20 : 974,424.30 = 450,161.80 : x - Step 2: Convert to fraction form
649,616.20/974,424.30 = 450,161.80/x - Step 3: Cross multiply
649,616.20x = 974,424.30 × 450,161.80 - Step 4: Simplify right side
649,616.20x = 438,648,596,851.74 - Step 5: Solve for x
x = 438,648,596,851.74/649,616.20 - Step 6: Final answer
x = 675,242.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.