Finding the Fourth Proportional to 584,648.88, 806,267.91 and 388,067.70
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Solution
The fourth proportional to 584,648.88, 806,267.91 and 388,067.70 is: 535,169.99
Step by Step Solution
- Step 1: Write the proportion equation
584,648.88 : 806,267.91 = 388,067.70 : x - Step 2: Convert to fraction form
584,648.88/806,267.91 = 388,067.70/x - Step 3: Cross multiply
584,648.88x = 806,267.91 × 388,067.70 - Step 4: Simplify right side
584,648.88x = 312,886,533,417.51 - Step 5: Solve for x
x = 312,886,533,417.51/584,648.88 - Step 6: Final answer
x = 535,169.99
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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.