Finding the Fourth Proportional to 867,885.83, 1,197,674.57 and 485,918.99
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Solution
The fourth proportional to 867,885.83, 1,197,674.57 and 485,918.99 is: 670,563.80
Step by Step Solution
- Step 1: Write the proportion equation
867,885.83 : 1,197,674.57 = 485,918.99 : x - Step 2: Convert to fraction form
867,885.83/1,197,674.57 = 485,918.99/x - Step 3: Cross multiply
867,885.83x = 1,197,674.57 × 485,918.99 - Step 4: Simplify right side
867,885.83x = 581,972,817,403.08 - Step 5: Solve for x
x = 581,972,817,403.08/867,885.83 - Step 6: Final answer
x = 670,563.80
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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.