Finding the Fourth Proportional to 916,117.57, 1,373,282.79 and 436,216.42
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Solution
The fourth proportional to 916,117.57, 1,373,282.79 and 436,216.42 is: 653,899.15
Step by Step Solution
- Step 1: Write the proportion equation
916,117.57 : 1,373,282.79 = 436,216.42 : x - Step 2: Convert to fraction form
916,117.57/1,373,282.79 = 436,216.42/x - Step 3: Cross multiply
916,117.57x = 1,373,282.79 × 436,216.42 - Step 4: Simplify right side
916,117.57x = 599,048,502,301.41 - Step 5: Solve for x
x = 599,048,502,301.41/916,117.57 - Step 6: Final answer
x = 653,899.15
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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.