Finding the Fourth Proportional to 927,783.84, 1,270,748.40 and 873,312.96
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Solution
The fourth proportional to 927,783.84, 1,270,748.40 and 873,312.96 is: 1,196,141.82
Step by Step Solution
- Step 1: Write the proportion equation
927,783.84 : 1,270,748.40 = 873,312.96 : x - Step 2: Convert to fraction form
927,783.84/1,270,748.40 = 873,312.96/x - Step 3: Cross multiply
927,783.84x = 1,270,748.40 × 873,312.96 - Step 4: Simplify right side
927,783.84x = 1,109,761,046,619.26 - Step 5: Solve for x
x = 1,109,761,046,619.26/927,783.84 - Step 6: Final answer
x = 1,196,141.82
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.