Finding the Fourth Proportional to 558,650.31, 770,874.75 and 329,192.70
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Solution
The fourth proportional to 558,650.31, 770,874.75 and 329,192.70 is: 454,248.99
Step by Step Solution
- Step 1: Write the proportion equation
558,650.31 : 770,874.75 = 329,192.70 : x - Step 2: Convert to fraction form
558,650.31/770,874.75 = 329,192.70/x - Step 3: Cross multiply
558,650.31x = 770,874.75 × 329,192.70 - Step 4: Simplify right side
558,650.31x = 253,766,340,314.33 - Step 5: Solve for x
x = 253,766,340,314.33/558,650.31 - Step 6: Final answer
x = 454,248.99
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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.