Finding the Fourth Proportional to 647,419.08, 893,485.62 and 375,579.84
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Solution
The fourth proportional to 647,419.08, 893,485.62 and 375,579.84 is: 518,327.61
Step by Step Solution
- Step 1: Write the proportion equation
647,419.08 : 893,485.62 = 375,579.84 : x - Step 2: Convert to fraction form
647,419.08/893,485.62 = 375,579.84/x - Step 3: Cross multiply
647,419.08x = 893,485.62 × 375,579.84 - Step 4: Simplify right side
647,419.08x = 335,575,186,201.90 - Step 5: Solve for x
x = 335,575,186,201.90/647,419.08 - Step 6: Final answer
x = 518,327.61
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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.