Finding the Fourth Proportional to 753,475.08, 1,039,806.60 and 409,317.48
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Solution
The fourth proportional to 753,475.08, 1,039,806.60 and 409,317.48 is: 564,864.09
Step by Step Solution
- Step 1: Write the proportion equation
753,475.08 : 1,039,806.60 = 409,317.48 : x - Step 2: Convert to fraction form
753,475.08/1,039,806.60 = 409,317.48/x - Step 3: Cross multiply
753,475.08x = 1,039,806.60 × 409,317.48 - Step 4: Simplify right side
753,475.08x = 425,611,017,199.37 - Step 5: Solve for x
x = 425,611,017,199.37/753,475.08 - Step 6: Final answer
x = 564,864.09
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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.