Finding the Fourth Proportional to 1,007,840.68, 1,390,822.07 and 548,953.84
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Solution
The fourth proportional to 1,007,840.68, 1,390,822.07 and 548,953.84 is: 757,557.34
Step by Step Solution
- Step 1: Write the proportion equation
1,007,840.68 : 1,390,822.07 = 548,953.84 : x - Step 2: Convert to fraction form
1,007,840.68/1,390,822.07 = 548,953.84/x - Step 3: Cross multiply
1,007,840.68x = 1,390,822.07 × 548,953.84 - Step 4: Simplify right side
1,007,840.68x = 763,497,109,129.14 - Step 5: Solve for x
x = 763,497,109,129.14/1,007,840.68 - Step 6: Final answer
x = 757,557.34
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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.