Finding the Fourth Proportional to 875,529.75, 1,208,231.06 and 473,121.75
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Solution
The fourth proportional to 875,529.75, 1,208,231.06 and 473,121.75 is: 652,908.02
Step by Step Solution
- Step 1: Write the proportion equation
875,529.75 : 1,208,231.06 = 473,121.75 : x - Step 2: Convert to fraction form
875,529.75/1,208,231.06 = 473,121.75/x - Step 3: Cross multiply
875,529.75x = 1,208,231.06 × 473,121.75 - Step 4: Simplify right side
875,529.75x = 571,640,391,145.95 - Step 5: Solve for x
x = 571,640,391,145.95/875,529.75 - Step 6: Final answer
x = 652,908.02
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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.