Finding the Fourth Proportional to 640,427.34, 960,606.36 and 324,876.06
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Solution
The fourth proportional to 640,427.34, 960,606.36 and 324,876.06 is: 487,296.51
Step by Step Solution
- Step 1: Write the proportion equation
640,427.34 : 960,606.36 = 324,876.06 : x - Step 2: Convert to fraction form
640,427.34/960,606.36 = 324,876.06/x - Step 3: Cross multiply
640,427.34x = 960,606.36 × 324,876.06 - Step 4: Simplify right side
640,427.34x = 312,078,009,447.74 - Step 5: Solve for x
x = 312,078,009,447.74/640,427.34 - Step 6: Final answer
x = 487,296.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.