Finding the Fourth Proportional to 903,555.41, 1,246,896.18 and 521,573.99
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Solution
The fourth proportional to 903,555.41, 1,246,896.18 and 521,573.99 is: 719,766.17
Step by Step Solution
- Step 1: Write the proportion equation
903,555.41 : 1,246,896.18 = 521,573.99 : x - Step 2: Convert to fraction form
903,555.41/1,246,896.18 = 521,573.99/x - Step 3: Cross multiply
903,555.41x = 1,246,896.18 × 521,573.99 - Step 4: Simplify right side
903,555.41x = 650,348,609,483.88 - Step 5: Solve for x
x = 650,348,609,483.88/903,555.41 - Step 6: Final answer
x = 719,766.17
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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.