Finding the Fourth Proportional to 626,206.26, 864,778.53 and 433,108.74
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Solution
The fourth proportional to 626,206.26, 864,778.53 and 433,108.74 is: 598,114.65
Step by Step Solution
- Step 1: Write the proportion equation
626,206.26 : 864,778.53 = 433,108.74 : x - Step 2: Convert to fraction form
626,206.26/864,778.53 = 433,108.74/x - Step 3: Cross multiply
626,206.26x = 864,778.53 × 433,108.74 - Step 4: Simplify right side
626,206.26x = 374,543,139,507.35 - Step 5: Solve for x
x = 374,543,139,507.35/626,206.26 - Step 6: Final answer
x = 598,114.65
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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.