Finding the Fourth Proportional to 703,423.08, 970,701.24 and 401,617.08
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Solution
The fourth proportional to 703,423.08, 970,701.24 and 401,617.08 is: 554,218.66
Step by Step Solution
- Step 1: Write the proportion equation
703,423.08 : 970,701.24 = 401,617.08 : x - Step 2: Convert to fraction form
703,423.08/970,701.24 = 401,617.08/x - Step 3: Cross multiply
703,423.08x = 970,701.24 × 401,617.08 - Step 4: Simplify right side
703,423.08x = 389,850,197,561.18 - Step 5: Solve for x
x = 389,850,197,561.18/703,423.08 - Step 6: Final answer
x = 554,218.66
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1.5x scale
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.