Finding the Fourth Proportional to 709,015.98, 1,062,637.01 and 354,129.06
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Solution
The fourth proportional to 709,015.98, 1,062,637.01 and 354,129.06 is: 530,750.58
Step by Step Solution
- Step 1: Write the proportion equation
709,015.98 : 1,062,637.01 = 354,129.06 : x - Step 2: Convert to fraction form
709,015.98/1,062,637.01 = 354,129.06/x - Step 3: Cross multiply
709,015.98x = 1,062,637.01 × 354,129.06 - Step 4: Simplify right side
709,015.98x = 376,310,645,472.51 - Step 5: Solve for x
x = 376,310,645,472.51/709,015.98 - Step 6: Final answer
x = 530,750.58
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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.