Finding the Fourth Proportional to 894,864.99, 1,234,939.61 and 486,993.15
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Solution
The fourth proportional to 894,864.99, 1,234,939.61 and 486,993.15 is: 672,064.65
Step by Step Solution
- Step 1: Write the proportion equation
894,864.99 : 1,234,939.61 = 486,993.15 : x - Step 2: Convert to fraction form
894,864.99/1,234,939.61 = 486,993.15/x - Step 3: Cross multiply
894,864.99x = 1,234,939.61 × 486,993.15 - Step 4: Simplify right side
894,864.99x = 601,407,130,733.67 - Step 5: Solve for x
x = 601,407,130,733.67/894,864.99 - Step 6: Final answer
x = 672,064.65
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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.