Finding the Fourth Proportional to 830,379.72, 1,144,729.62 and 591,501
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Solution
The fourth proportional to 830,379.72, 1,144,729.62 and 591,501 is: 815,420.58
Step by Step Solution
- Step 1: Write the proportion equation
830,379.72 : 1,144,729.62 = 591,501 : x - Step 2: Convert to fraction form
830,379.72/1,144,729.62 = 591,501/x - Step 3: Cross multiply
830,379.72x = 1,144,729.62 × 591,501 - Step 4: Simplify right side
830,379.72x = 677,108,714,959.62 - Step 5: Solve for x
x = 677,108,714,959.62/830,379.72 - Step 6: Final answer
x = 815,420.58
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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.