Finding the Fourth Proportional to 712,972.94, 1,069,406.96 and 263,484.09
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Solution
The fourth proportional to 712,972.94, 1,069,406.96 and 263,484.09 is: 395,206.75
Step by Step Solution
- Step 1: Write the proportion equation
712,972.94 : 1,069,406.96 = 263,484.09 : x - Step 2: Convert to fraction form
712,972.94/1,069,406.96 = 263,484.09/x - Step 3: Cross multiply
712,972.94x = 1,069,406.96 × 263,484.09 - Step 4: Simplify right side
712,972.94x = 281,771,718,377.85 - Step 5: Solve for x
x = 281,771,718,377.85/712,972.94 - Step 6: Final answer
x = 395,206.75
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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.