Finding the Fourth Proportional to 577,344.09, 796,702.71 and 319,206.12
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Solution
The fourth proportional to 577,344.09, 796,702.71 and 319,206.12 is: 440,486.68
Step by Step Solution
- Step 1: Write the proportion equation
577,344.09 : 796,702.71 = 319,206.12 : x - Step 2: Convert to fraction form
577,344.09/796,702.71 = 319,206.12/x - Step 3: Cross multiply
577,344.09x = 796,702.71 × 319,206.12 - Step 4: Simplify right side
577,344.09x = 254,312,380,852.59 - Step 5: Solve for x
x = 254,312,380,852.59/577,344.09 - Step 6: Final answer
x = 440,486.68
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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.