Finding the Fourth Proportional to 859,235.80, 1,290,230.70 and 683,206.60
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Solution
The fourth proportional to 859,235.80, 1,290,230.70 and 683,206.60 is: 1,025,904.80
Step by Step Solution
- Step 1: Write the proportion equation
859,235.80 : 1,290,230.70 = 683,206.60 : x - Step 2: Convert to fraction form
859,235.80/1,290,230.70 = 683,206.60/x - Step 3: Cross multiply
859,235.80x = 1,290,230.70 × 683,206.60 - Step 4: Simplify right side
859,235.80x = 881,494,129,762.62 - Step 5: Solve for x
x = 881,494,129,762.62/859,235.80 - Step 6: Final answer
x = 1,025,904.80
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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.