Finding the Fourth Proportional to 961,502.40, 1,442,489.76 and 330,425.28
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Solution
The fourth proportional to 961,502.40, 1,442,489.76 and 330,425.28 is: 495,719.08
Step by Step Solution
- Step 1: Write the proportion equation
961,502.40 : 1,442,489.76 = 330,425.28 : x - Step 2: Convert to fraction form
961,502.40/1,442,489.76 = 330,425.28/x - Step 3: Cross multiply
961,502.40x = 1,442,489.76 × 330,425.28 - Step 4: Simplify right side
961,502.40x = 476,635,082,845.13 - Step 5: Solve for x
x = 476,635,082,845.13/961,502.40 - Step 6: Final answer
x = 495,719.08
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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.