Finding the Fourth Proportional to 546,416.40, 818,749.80 and 346,378.80
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Solution
The fourth proportional to 546,416.40, 818,749.80 and 346,378.80 is: 519,013.66
Step by Step Solution
- Step 1: Write the proportion equation
546,416.40 : 818,749.80 = 346,378.80 : x - Step 2: Convert to fraction form
546,416.40/818,749.80 = 346,378.80/x - Step 3: Cross multiply
546,416.40x = 818,749.80 × 346,378.80 - Step 4: Simplify right side
546,416.40x = 283,597,573,224.24 - Step 5: Solve for x
x = 283,597,573,224.24/546,416.40 - Step 6: Final answer
x = 519,013.66
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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.