Finding the Fourth Proportional to 953,388.56, 1,430,258.52 and 313,728.08
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Solution
The fourth proportional to 953,388.56, 1,430,258.52 and 313,728.08 is: 470,649.93
Step by Step Solution
- Step 1: Write the proportion equation
953,388.56 : 1,430,258.52 = 313,728.08 : x - Step 2: Convert to fraction form
953,388.56/1,430,258.52 = 313,728.08/x - Step 3: Cross multiply
953,388.56x = 1,430,258.52 × 313,728.08 - Step 4: Simplify right side
953,388.56x = 448,712,259,383.24 - Step 5: Solve for x
x = 448,712,259,383.24/953,388.56 - Step 6: Final answer
x = 470,649.93
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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.