Finding the Fourth Proportional to 584,451.80, 876,677.70 and 413,209.70
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Solution
The fourth proportional to 584,451.80, 876,677.70 and 413,209.70 is: 619,814.55
Step by Step Solution
- Step 1: Write the proportion equation
584,451.80 : 876,677.70 = 413,209.70 : x - Step 2: Convert to fraction form
584,451.80/876,677.70 = 413,209.70/x - Step 3: Cross multiply
584,451.80x = 876,677.70 × 413,209.70 - Step 4: Simplify right side
584,451.80x = 362,251,729,413.69 - Step 5: Solve for x
x = 362,251,729,413.69/584,451.80 - Step 6: Final answer
x = 619,814.55
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.