Finding the Fourth Proportional to 982,905.10, 1,474,603.29 and 781,261.99
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Solution
The fourth proportional to 982,905.10, 1,474,603.29 and 781,261.99 is: 1,172,088.23
Step by Step Solution
- Step 1: Write the proportion equation
982,905.10 : 1,474,603.29 = 781,261.99 : x - Step 2: Convert to fraction form
982,905.10/1,474,603.29 = 781,261.99/x - Step 3: Cross multiply
982,905.10x = 1,474,603.29 × 781,261.99 - Step 4: Simplify right side
982,905.10x = 1,152,051,496,899.64 - Step 5: Solve for x
x = 1,152,051,496,899.64/982,905.10 - Step 6: Final answer
x = 1,172,088.23
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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.