Finding the Fourth Proportional to 916,589.28, 1,374,052.86 and 495,373.08
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Solution
The fourth proportional to 916,589.28, 1,374,052.86 and 495,373.08 is: 742,610.47
Step by Step Solution
- Step 1: Write the proportion equation
916,589.28 : 1,374,052.86 = 495,373.08 : x - Step 2: Convert to fraction form
916,589.28/1,374,052.86 = 495,373.08/x - Step 3: Cross multiply
916,589.28x = 1,374,052.86 × 495,373.08 - Step 4: Simplify right side
916,589.28x = 680,668,797,341.01 - Step 5: Solve for x
x = 680,668,797,341.01/916,589.28 - Step 6: Final answer
x = 742,610.47
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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.