Finding the Fourth Proportional to 776,877.57, 1,072,014.41 and 432,701.96
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Solution
The fourth proportional to 776,877.57, 1,072,014.41 and 432,701.96 is: 597,086.01
Step by Step Solution
- Step 1: Write the proportion equation
776,877.57 : 1,072,014.41 = 432,701.96 : x - Step 2: Convert to fraction form
776,877.57/1,072,014.41 = 432,701.96/x - Step 3: Cross multiply
776,877.57x = 1,072,014.41 × 432,701.96 - Step 4: Simplify right side
776,877.57x = 463,862,732,076.93 - Step 5: Solve for x
x = 463,862,732,076.93/776,877.57 - Step 6: Final answer
x = 597,086.01
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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.