Finding the Fourth Proportional to 528,677.84, 791,357.88 and 278,601.68
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Solution
The fourth proportional to 528,677.84, 791,357.88 and 278,601.68 is: 417,028.33
Step by Step Solution
- Step 1: Write the proportion equation
528,677.84 : 791,357.88 = 278,601.68 : x - Step 2: Convert to fraction form
528,677.84/791,357.88 = 278,601.68/x - Step 3: Cross multiply
528,677.84x = 791,357.88 × 278,601.68 - Step 4: Simplify right side
528,677.84x = 220,473,634,849.24 - Step 5: Solve for x
x = 220,473,634,849.24/528,677.84 - Step 6: Final answer
x = 417,028.33
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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.