Finding the Fourth Proportional to 684,430.26, 944,515.95 and 382,624.26
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Solution
The fourth proportional to 684,430.26, 944,515.95 and 382,624.26 is: 528,022.70
Step by Step Solution
- Step 1: Write the proportion equation
684,430.26 : 944,515.95 = 382,624.26 : x - Step 2: Convert to fraction form
684,430.26/944,515.95 = 382,624.26/x - Step 3: Cross multiply
684,430.26x = 944,515.95 × 382,624.26 - Step 4: Simplify right side
684,430.26x = 361,394,716,426.95 - Step 5: Solve for x
x = 361,394,716,426.95/684,430.26 - Step 6: Final answer
x = 528,022.70
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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.