Finding the Fourth Proportional to 608,878.22, 840,243.63 and 336,929.54
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Solution
The fourth proportional to 608,878.22, 840,243.63 and 336,929.54 is: 464,958.17
Step by Step Solution
- Step 1: Write the proportion equation
608,878.22 : 840,243.63 = 336,929.54 : x - Step 2: Convert to fraction form
608,878.22/840,243.63 = 336,929.54/x - Step 3: Cross multiply
608,878.22x = 840,243.63 × 336,929.54 - Step 4: Simplify right side
608,878.22x = 283,102,899,637.24 - Step 5: Solve for x
x = 283,102,899,637.24/608,878.22 - Step 6: Final answer
x = 464,958.17
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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.