Finding the Fourth Proportional to 677,454.20, 934,888.12 and 371,532.74
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Solution
The fourth proportional to 677,454.20, 934,888.12 and 371,532.74 is: 512,715.91
Step by Step Solution
- Step 1: Write the proportion equation
677,454.20 : 934,888.12 = 371,532.74 : x - Step 2: Convert to fraction form
677,454.20/934,888.12 = 371,532.74/x - Step 3: Cross multiply
677,454.20x = 934,888.12 × 371,532.74 - Step 4: Simplify right side
677,454.20x = 347,341,544,817.05 - Step 5: Solve for x
x = 347,341,544,817.05/677,454.20 - Step 6: Final answer
x = 512,715.91
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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.