Finding the Fourth Proportional to 542,778.09, 812,837.97 and 382,460.06
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Solution
The fourth proportional to 542,778.09, 812,837.97 and 382,460.06 is: 572,753.51
Step by Step Solution
- Step 1: Write the proportion equation
542,778.09 : 812,837.97 = 382,460.06 : x - Step 2: Convert to fraction form
542,778.09/812,837.97 = 382,460.06/x - Step 3: Cross multiply
542,778.09x = 812,837.97 × 382,460.06 - Step 4: Simplify right side
542,778.09x = 310,878,054,712.29 - Step 5: Solve for x
x = 310,878,054,712.29/542,778.09 - Step 6: Final answer
x = 572,753.51
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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.