Finding the Fourth Proportional to 647,395.79, 893,410.01 and 375,625.53
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Solution
The fourth proportional to 647,395.79, 893,410.01 and 375,625.53 is: 518,365.45
Step by Step Solution
- Step 1: Write the proportion equation
647,395.79 : 893,410.01 = 375,625.53 : x - Step 2: Convert to fraction form
647,395.79/893,410.01 = 375,625.53/x - Step 3: Cross multiply
647,395.79x = 893,410.01 × 375,625.53 - Step 4: Simplify right side
647,395.79x = 335,587,608,513.56 - Step 5: Solve for x
x = 335,587,608,513.56/647,395.79 - Step 6: Final answer
x = 518,365.45
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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.