Finding the Fourth Proportional to 578,512.09, 798,390.97 and 333,536.70
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Solution
The fourth proportional to 578,512.09, 798,390.97 and 333,536.70 is: 460,306.18
Step by Step Solution
- Step 1: Write the proportion equation
578,512.09 : 798,390.97 = 333,536.70 : x - Step 2: Convert to fraction form
578,512.09/798,390.97 = 333,536.70/x - Step 3: Cross multiply
578,512.09x = 798,390.97 × 333,536.70 - Step 4: Simplify right side
578,512.09x = 266,292,688,609.76 - Step 5: Solve for x
x = 266,292,688,609.76/578,512.09 - Step 6: Final answer
x = 460,306.18
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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.