Finding the Fourth Proportional to 752,915.07, 1,129,206.51 and 220,477.62
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Solution
The fourth proportional to 752,915.07, 1,129,206.51 and 220,477.62 is: 330,667.79
Step by Step Solution
- Step 1: Write the proportion equation
752,915.07 : 1,129,206.51 = 220,477.62 : x - Step 2: Convert to fraction form
752,915.07/1,129,206.51 = 220,477.62/x - Step 3: Cross multiply
752,915.07x = 1,129,206.51 × 220,477.62 - Step 4: Simplify right side
752,915.07x = 248,964,763,813.31 - Step 5: Solve for x
x = 248,964,763,813.31/752,915.07 - Step 6: Final answer
x = 330,667.79
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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.