Finding the Fourth Proportional to 782,897.07, 1,080,014.04 and 679,385.99
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Solution
The fourth proportional to 782,897.07, 1,080,014.04 and 679,385.99 is: 937,219.50
Step by Step Solution
- Step 1: Write the proportion equation
782,897.07 : 1,080,014.04 = 679,385.99 : x - Step 2: Convert to fraction form
782,897.07/1,080,014.04 = 679,385.99/x - Step 3: Cross multiply
782,897.07x = 1,080,014.04 × 679,385.99 - Step 4: Simplify right side
782,897.07x = 733,746,402,971.16 - Step 5: Solve for x
x = 733,746,402,971.16/782,897.07 - Step 6: Final answer
x = 937,219.50
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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.