Finding the Fourth Proportional to 598,919.20, 898,378.80 and 555,616.60
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Solution
The fourth proportional to 598,919.20, 898,378.80 and 555,616.60 is: 833,424.90
Step by Step Solution
- Step 1: Write the proportion equation
598,919.20 : 898,378.80 = 555,616.60 : x - Step 2: Convert to fraction form
598,919.20/898,378.80 = 555,616.60/x - Step 3: Cross multiply
598,919.20x = 898,378.80 × 555,616.60 - Step 4: Simplify right side
598,919.20x = 499,154,174,368.08 - Step 5: Solve for x
x = 499,154,174,368.08/598,919.20 - Step 6: Final answer
x = 833,424.90
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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.