Finding the Fourth Proportional to 926,512.44, 1,390,008.21 and 542,585.49
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Solution
The fourth proportional to 926,512.44, 1,390,008.21 and 542,585.49 is: 814,018.52
Step by Step Solution
- Step 1: Write the proportion equation
926,512.44 : 1,390,008.21 = 542,585.49 : x - Step 2: Convert to fraction form
926,512.44/1,390,008.21 = 542,585.49/x - Step 3: Cross multiply
926,512.44x = 1,390,008.21 × 542,585.49 - Step 4: Simplify right side
926,512.44x = 754,198,285,726.87 - Step 5: Solve for x
x = 754,198,285,726.87/926,512.44 - Step 6: Final answer
x = 814,018.52
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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.