Finding the Fourth Proportional to 578,415.08, 798,207.26 and 333,309.79
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Solution
The fourth proportional to 578,415.08, 798,207.26 and 333,309.79 is: 459,964.31
Step by Step Solution
- Step 1: Write the proportion equation
578,415.08 : 798,207.26 = 333,309.79 : x - Step 2: Convert to fraction form
578,415.08/798,207.26 = 333,309.79/x - Step 3: Cross multiply
578,415.08x = 798,207.26 × 333,309.79 - Step 4: Simplify right side
578,415.08x = 266,050,293,538.29 - Step 5: Solve for x
x = 266,050,293,538.29/578,415.08 - Step 6: Final answer
x = 459,964.31
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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.