Finding the Fourth Proportional to 659,279.49, 909,811.16 and 357,473.49
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Solution
The fourth proportional to 659,279.49, 909,811.16 and 357,473.49 is: 493,316.38
Step by Step Solution
- Step 1: Write the proportion equation
659,279.49 : 909,811.16 = 357,473.49 : x - Step 2: Convert to fraction form
659,279.49/909,811.16 = 357,473.49/x - Step 3: Cross multiply
659,279.49x = 909,811.16 × 357,473.49 - Step 4: Simplify right side
659,279.49x = 325,233,368,818.78 - Step 5: Solve for x
x = 325,233,368,818.78/659,279.49 - Step 6: Final answer
x = 493,316.38
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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.