Finding the Fourth Proportional to 753,366.98, 1,039,654.27 and 409,209.62
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Solution
The fourth proportional to 753,366.98, 1,039,654.27 and 409,209.62 is: 564,713.53
Step by Step Solution
- Step 1: Write the proportion equation
753,366.98 : 1,039,654.27 = 409,209.62 : x - Step 2: Convert to fraction form
753,366.98/1,039,654.27 = 409,209.62/x - Step 3: Cross multiply
753,366.98x = 1,039,654.27 × 409,209.62 - Step 4: Simplify right side
753,366.98x = 425,436,526,712.03 - Step 5: Solve for x
x = 425,436,526,712.03/753,366.98 - Step 6: Final answer
x = 564,713.53
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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.