Finding the Fourth Proportional to 652,611.83, 979,878.69 and 364,986.99
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Solution
The fourth proportional to 652,611.83, 979,878.69 and 364,986.99 is: 548,017.91
Step by Step Solution
- Step 1: Write the proportion equation
652,611.83 : 979,878.69 = 364,986.99 : x - Step 2: Convert to fraction form
652,611.83/979,878.69 = 364,986.99/x - Step 3: Cross multiply
652,611.83x = 979,878.69 × 364,986.99 - Step 4: Simplify right side
652,611.83x = 357,642,973,628.24 - Step 5: Solve for x
x = 357,642,973,628.24/652,611.83 - Step 6: Final answer
x = 548,017.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.