Finding the Fourth Proportional to 559,265.80, 838,898.70 and 543,713.80
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Solution
The fourth proportional to 559,265.80, 838,898.70 and 543,713.80 is: 815,570.70
Step by Step Solution
- Step 1: Write the proportion equation
559,265.80 : 838,898.70 = 543,713.80 : x - Step 2: Convert to fraction form
559,265.80/838,898.70 = 543,713.80/x - Step 3: Cross multiply
559,265.80x = 838,898.70 × 543,713.80 - Step 4: Simplify right side
559,265.80x = 456,120,799,992.06 - Step 5: Solve for x
x = 456,120,799,992.06/559,265.80 - Step 6: Final answer
x = 815,570.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.