Finding the Fourth Proportional to 850,853, 1,174,162.56 and 463,671.99
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Solution
The fourth proportional to 850,853, 1,174,162.56 and 463,671.99 is: 639,859.40
Step by Step Solution
- Step 1: Write the proportion equation
850,853 : 1,174,162.56 = 463,671.99 : x - Step 2: Convert to fraction form
850,853/1,174,162.56 = 463,671.99/x - Step 3: Cross multiply
850,853x = 1,174,162.56 × 463,671.99 - Step 4: Simplify right side
850,853x = 544,426,290,778.69 - Step 5: Solve for x
x = 544,426,290,778.69/850,853 - Step 6: Final answer
x = 639,859.40
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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.