Finding the Fourth Proportional to 832,759.48, 1,148,953.62 and 510,351.40
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Solution
The fourth proportional to 832,759.48, 1,148,953.62 and 510,351.40 is: 704,128.99
Step by Step Solution
- Step 1: Write the proportion equation
832,759.48 : 1,148,953.62 = 510,351.40 : x - Step 2: Convert to fraction form
832,759.48/1,148,953.62 = 510,351.40/x - Step 3: Cross multiply
832,759.48x = 1,148,953.62 × 510,351.40 - Step 4: Simplify right side
832,759.48x = 586,370,088,502.07 - Step 5: Solve for x
x = 586,370,088,502.07/832,759.48 - Step 6: Final answer
x = 704,128.99
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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.