Finding the Fourth Proportional to 915,609.42, 1,373,326.65 and 560,440.62
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Solution
The fourth proportional to 915,609.42, 1,373,326.65 and 560,440.62 is: 840,607.38
Step by Step Solution
- Step 1: Write the proportion equation
915,609.42 : 1,373,326.65 = 560,440.62 : x - Step 2: Convert to fraction form
915,609.42/1,373,326.65 = 560,440.62/x - Step 3: Cross multiply
915,609.42x = 1,373,326.65 × 560,440.62 - Step 4: Simplify right side
915,609.42x = 769,668,039,188.52 - Step 5: Solve for x
x = 769,668,039,188.52/915,609.42 - Step 6: Final answer
x = 840,607.38
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.