Finding the Fourth Proportional to 552,021.21, 761,656.26 and 322,448.18
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Solution
The fourth proportional to 552,021.21, 761,656.26 and 322,448.18 is: 444,900.79
Step by Step Solution
- Step 1: Write the proportion equation
552,021.21 : 761,656.26 = 322,448.18 : x - Step 2: Convert to fraction form
552,021.21/761,656.26 = 322,448.18/x - Step 3: Cross multiply
552,021.21x = 761,656.26 × 322,448.18 - Step 4: Simplify right side
552,021.21x = 245,594,672,223.51 - Step 5: Solve for x
x = 245,594,672,223.51/552,021.21 - Step 6: Final answer
x = 444,900.79
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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.