Finding the Fourth Proportional to 704,747.68, 972,520.72 and 402,961.44
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Solution
The fourth proportional to 704,747.68, 972,520.72 and 402,961.44 is: 556,069.02
Step by Step Solution
- Step 1: Write the proportion equation
704,747.68 : 972,520.72 = 402,961.44 : x - Step 2: Convert to fraction form
704,747.68/972,520.72 = 402,961.44/x - Step 3: Cross multiply
704,747.68x = 972,520.72 × 402,961.44 - Step 4: Simplify right side
704,747.68x = 391,888,349,761.04 - Step 5: Solve for x
x = 391,888,349,761.04/704,747.68 - Step 6: Final answer
x = 556,069.02
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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.