Finding the Fourth Proportional to 564,305.26, 778,740.84 and 322,593.16
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Solution
The fourth proportional to 564,305.26, 778,740.84 and 322,593.16 is: 445,178.32
Step by Step Solution
- Step 1: Write the proportion equation
564,305.26 : 778,740.84 = 322,593.16 : x - Step 2: Convert to fraction form
564,305.26/778,740.84 = 322,593.16/x - Step 3: Cross multiply
564,305.26x = 778,740.84 × 322,593.16 - Step 4: Simplify right side
564,305.26x = 251,216,468,396.65 - Step 5: Solve for x
x = 251,216,468,396.65/564,305.26 - Step 6: Final answer
x = 445,178.32
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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.