Finding the Fourth Proportional to 561,067.74, 774,274.35 and 319,350.31
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Solution
The fourth proportional to 561,067.74, 774,274.35 and 319,350.31 is: 440,703.92
Step by Step Solution
- Step 1: Write the proportion equation
561,067.74 : 774,274.35 = 319,350.31 : x - Step 2: Convert to fraction form
561,067.74/774,274.35 = 319,350.31/x - Step 3: Cross multiply
561,067.74x = 774,274.35 × 319,350.31 - Step 4: Simplify right side
561,067.74x = 247,264,752,899.17 - Step 5: Solve for x
x = 247,264,752,899.17/561,067.74 - Step 6: Final answer
x = 440,703.92
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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.