Finding the Fourth Proportional to 893,891.70, 1,340,902.35 and 538,139.70
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Solution
The fourth proportional to 893,891.70, 1,340,902.35 and 538,139.70 is: 807,248.56
Step by Step Solution
- Step 1: Write the proportion equation
893,891.70 : 1,340,902.35 = 538,139.70 : x - Step 2: Convert to fraction form
893,891.70/1,340,902.35 = 538,139.70/x - Step 3: Cross multiply
893,891.70x = 1,340,902.35 × 538,139.70 - Step 4: Simplify right side
893,891.70x = 721,592,788,358.30 - Step 5: Solve for x
x = 721,592,788,358.30/893,891.70 - Step 6: Final answer
x = 807,248.56
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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.