Finding the Fourth Proportional to 933,299.49, 1,287,955.41 and 519,832.95
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Solution
The fourth proportional to 933,299.49, 1,287,955.41 and 519,832.95 is: 717,370.65
Step by Step Solution
- Step 1: Write the proportion equation
933,299.49 : 1,287,955.41 = 519,832.95 : x - Step 2: Convert to fraction form
933,299.49/1,287,955.41 = 519,832.95/x - Step 3: Cross multiply
933,299.49x = 1,287,955.41 × 519,832.95 - Step 4: Simplify right side
933,299.49x = 669,521,660,248.76 - Step 5: Solve for x
x = 669,521,660,248.76/933,299.49 - Step 6: Final answer
x = 717,370.65
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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.