Finding the Fourth Proportional to 578,759.05, 798,621.65 and 336,990.65
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Solution
The fourth proportional to 578,759.05, 798,621.65 and 336,990.65 is: 465,008.76
Step by Step Solution
- Step 1: Write the proportion equation
578,759.05 : 798,621.65 = 336,990.65 : x - Step 2: Convert to fraction form
578,759.05/798,621.65 = 336,990.65/x - Step 3: Cross multiply
578,759.05x = 798,621.65 × 336,990.65 - Step 4: Simplify right side
578,759.05x = 269,128,029,249.17 - Step 5: Solve for x
x = 269,128,029,249.17/578,759.05 - Step 6: Final answer
x = 465,008.76
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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.