Finding the Fourth Proportional to 513,029.06, 707,965.62 and 286,674.56
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Solution
The fourth proportional to 513,029.06, 707,965.62 and 286,674.56 is: 395,602.80
Step by Step Solution
- Step 1: Write the proportion equation
513,029.06 : 707,965.62 = 286,674.56 : x - Step 2: Convert to fraction form
513,029.06/707,965.62 = 286,674.56/x - Step 3: Cross multiply
513,029.06x = 707,965.62 × 286,674.56 - Step 4: Simplify right side
513,029.06x = 202,955,732,608.63 - Step 5: Solve for x
x = 202,955,732,608.63/513,029.06 - Step 6: Final answer
x = 395,602.80
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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.