Finding the Fourth Proportional to 910,985.13, 1,367,306.73 and 484,878.56
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Solution
The fourth proportional to 910,985.13, 1,367,306.73 and 484,878.56 is: 727,759.09
Step by Step Solution
- Step 1: Write the proportion equation
910,985.13 : 1,367,306.73 = 484,878.56 : x - Step 2: Convert to fraction form
910,985.13/1,367,306.73 = 484,878.56/x - Step 3: Cross multiply
910,985.13x = 1,367,306.73 × 484,878.56 - Step 4: Simplify right side
910,985.13x = 662,977,711,484.18 - Step 5: Solve for x
x = 662,977,711,484.18/910,985.13 - Step 6: Final answer
x = 727,759.09
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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.