Finding the Fourth Proportional to 680,592.56, 1,021,036.68 and 207,265.76
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Solution
The fourth proportional to 680,592.56, 1,021,036.68 and 207,265.76 is: 310,943.66
Step by Step Solution
- Step 1: Write the proportion equation
680,592.56 : 1,021,036.68 = 207,265.76 : x - Step 2: Convert to fraction form
680,592.56/1,021,036.68 = 207,265.76/x - Step 3: Cross multiply
680,592.56x = 1,021,036.68 × 207,265.76 - Step 4: Simplify right side
680,592.56x = 211,625,943,468.08 - Step 5: Solve for x
x = 211,625,943,468.08/680,592.56 - Step 6: Final answer
x = 310,943.66
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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.