Finding the Fourth Proportional to 748,772.40, 1,034,158.26 and 503,330.99
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Solution
The fourth proportional to 748,772.40, 1,034,158.26 and 503,330.99 is: 695,169.71
Step by Step Solution
- Step 1: Write the proportion equation
748,772.40 : 1,034,158.26 = 503,330.99 : x - Step 2: Convert to fraction form
748,772.40/1,034,158.26 = 503,330.99/x - Step 3: Cross multiply
748,772.40x = 1,034,158.26 × 503,330.99 - Step 4: Simplify right side
748,772.40x = 520,523,895,651.69 - Step 5: Solve for x
x = 520,523,895,651.69/748,772.40 - Step 6: Final answer
x = 695,169.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.