Finding the Fourth Proportional to 853,701.88, 1,178,353.98 and 563,525.24
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Solution
The fourth proportional to 853,701.88, 1,178,353.98 and 563,525.24 is: 777,826.81
Step by Step Solution
- Step 1: Write the proportion equation
853,701.88 : 1,178,353.98 = 563,525.24 : x - Step 2: Convert to fraction form
853,701.88/1,178,353.98 = 563,525.24/x - Step 3: Cross multiply
853,701.88x = 1,178,353.98 × 563,525.24 - Step 4: Simplify right side
853,701.88x = 664,032,209,384.46 - Step 5: Solve for x
x = 664,032,209,384.46/853,701.88 - Step 6: Final answer
x = 777,826.81
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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.