Finding the Fourth Proportional to 512,207.10, 766,561.05 and 470,216.70
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Solution
The fourth proportional to 512,207.10, 766,561.05 and 470,216.70 is: 703,718.88
Step by Step Solution
- Step 1: Write the proportion equation
512,207.10 : 766,561.05 = 470,216.70 : x - Step 2: Convert to fraction form
512,207.10/766,561.05 = 470,216.70/x - Step 3: Cross multiply
512,207.10x = 766,561.05 × 470,216.70 - Step 4: Simplify right side
512,207.10x = 360,449,807,279.54 - Step 5: Solve for x
x = 360,449,807,279.54/512,207.10 - Step 6: Final answer
x = 703,718.88
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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.