Finding the Fourth Proportional to 841,219.74, 1,160,949.48 and 478,658.88
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Solution
The fourth proportional to 841,219.74, 1,160,949.48 and 478,658.88 is: 660,586.94
Step by Step Solution
- Step 1: Write the proportion equation
841,219.74 : 1,160,949.48 = 478,658.88 : x - Step 2: Convert to fraction form
841,219.74/1,160,949.48 = 478,658.88/x - Step 3: Cross multiply
841,219.74x = 1,160,949.48 × 478,658.88 - Step 4: Simplify right side
841,219.74x = 555,698,777,833.38 - Step 5: Solve for x
x = 555,698,777,833.38/841,219.74 - Step 6: Final answer
x = 660,586.94
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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.