Finding the Fourth Proportional to 806,367.68, 1,112,778.48 and 564,561.98
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Solution
The fourth proportional to 806,367.68, 1,112,778.48 and 564,561.98 is: 779,089.29
Step by Step Solution
- Step 1: Write the proportion equation
806,367.68 : 1,112,778.48 = 564,561.98 : x - Step 2: Convert to fraction form
806,367.68/1,112,778.48 = 564,561.98/x - Step 3: Cross multiply
806,367.68x = 1,112,778.48 × 564,561.98 - Step 4: Simplify right side
806,367.68x = 628,232,421,970.19 - Step 5: Solve for x
x = 628,232,421,970.19/806,367.68 - Step 6: Final answer
x = 779,089.29
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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.