Finding the Fourth Proportional to 929,732.14, 1,283,039.86 and 521,825.81
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Solution
The fourth proportional to 929,732.14, 1,283,039.86 and 521,825.81 is: 720,124.95
Step by Step Solution
- Step 1: Write the proportion equation
929,732.14 : 1,283,039.86 = 521,825.81 : x - Step 2: Convert to fraction form
929,732.14/1,283,039.86 = 521,825.81/x - Step 3: Cross multiply
929,732.14x = 1,283,039.86 × 521,825.81 - Step 4: Simplify right side
929,732.14x = 669,523,314,206.79 - Step 5: Solve for x
x = 669,523,314,206.79/929,732.14 - Step 6: Final answer
x = 720,124.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.