Finding the Fourth Proportional to 822,647.34, 1,135,271.70 and 581,355.63
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Solution
The fourth proportional to 822,647.34, 1,135,271.70 and 581,355.63 is: 802,283.75
Step by Step Solution
- Step 1: Write the proportion equation
822,647.34 : 1,135,271.70 = 581,355.63 : x - Step 2: Convert to fraction form
822,647.34/1,135,271.70 = 581,355.63/x - Step 3: Cross multiply
822,647.34x = 1,135,271.70 × 581,355.63 - Step 4: Simplify right side
822,647.34x = 659,996,594,374.67 - Step 5: Solve for x
x = 659,996,594,374.67/822,647.34 - Step 6: Final answer
x = 802,283.75
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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.