Finding the Fourth Proportional to 832,481.94, 1,148,828.58 and 450,508.74
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Solution
The fourth proportional to 832,481.94, 1,148,828.58 and 450,508.74 is: 621,703.96
Step by Step Solution
- Step 1: Write the proportion equation
832,481.94 : 1,148,828.58 = 450,508.74 : x - Step 2: Convert to fraction form
832,481.94/1,148,828.58 = 450,508.74/x - Step 3: Cross multiply
832,481.94x = 1,148,828.58 × 450,508.74 - Step 4: Simplify right side
832,481.94x = 517,557,316,051.79 - Step 5: Solve for x
x = 517,557,316,051.79/832,481.94 - Step 6: Final answer
x = 621,703.96
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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.