Finding the Fourth Proportional to 899,832.80, 1,349,476.54 and 473,138.70
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Solution
The fourth proportional to 899,832.80, 1,349,476.54 and 473,138.70 is: 709,564.68
Step by Step Solution
- Step 1: Write the proportion equation
899,832.80 : 1,349,476.54 = 473,138.70 : x - Step 2: Convert to fraction form
899,832.80/1,349,476.54 = 473,138.70/x - Step 3: Cross multiply
899,832.80x = 1,349,476.54 × 473,138.70 - Step 4: Simplify right side
899,832.80x = 638,489,575,816.10 - Step 5: Solve for x
x = 638,489,575,816.10/899,832.80 - Step 6: Final answer
x = 709,564.68
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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.