Finding the Fourth Proportional to 955,523.10, 1,318,605.19 and 519,925.75
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Solution
The fourth proportional to 955,523.10, 1,318,605.19 and 519,925.75 is: 717,488.45
Step by Step Solution
- Step 1: Write the proportion equation
955,523.10 : 1,318,605.19 = 519,925.75 : x - Step 2: Convert to fraction form
955,523.10/1,318,605.19 = 519,925.75/x - Step 3: Cross multiply
955,523.10x = 1,318,605.19 × 519,925.75 - Step 4: Simplify right side
955,523.10x = 685,576,792,364.64 - Step 5: Solve for x
x = 685,576,792,364.64/955,523.10 - Step 6: Final answer
x = 717,488.45
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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.