Finding the Fourth Proportional to 738,363.30, 1,107,544.95 and 620,265.30
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Solution
The fourth proportional to 738,363.30, 1,107,544.95 and 620,265.30 is: 930,397.95
Step by Step Solution
- Step 1: Write the proportion equation
738,363.30 : 1,107,544.95 = 620,265.30 : x - Step 2: Convert to fraction form
738,363.30/1,107,544.95 = 620,265.30/x - Step 3: Cross multiply
738,363.30x = 1,107,544.95 × 620,265.30 - Step 4: Simplify right side
738,363.30x = 686,971,700,675.24 - Step 5: Solve for x
x = 686,971,700,675.24/738,363.30 - Step 6: Final answer
x = 930,397.95
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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.