Finding the Fourth Proportional to 835,929.12, 1,153,935.36 and 564,364.92
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Solution
The fourth proportional to 835,929.12, 1,153,935.36 and 564,364.92 is: 779,062.03
Step by Step Solution
- Step 1: Write the proportion equation
835,929.12 : 1,153,935.36 = 564,364.92 : x - Step 2: Convert to fraction form
835,929.12/1,153,935.36 = 564,364.92/x - Step 3: Cross multiply
835,929.12x = 1,153,935.36 × 564,364.92 - Step 4: Simplify right side
835,929.12x = 651,240,637,131.57 - Step 5: Solve for x
x = 651,240,637,131.57/835,929.12 - Step 6: Final answer
x = 779,062.03
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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.