Finding the Fourth Proportional to 913,725.99, 1,260,900.99 and 505,799.01
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Solution
The fourth proportional to 913,725.99, 1,260,900.99 and 505,799.01 is: 697,980.00
Step by Step Solution
- Step 1: Write the proportion equation
913,725.99 : 1,260,900.99 = 505,799.01 : x - Step 2: Convert to fraction form
913,725.99/1,260,900.99 = 505,799.01/x - Step 3: Cross multiply
913,725.99x = 1,260,900.99 × 505,799.01 - Step 4: Simplify right side
913,725.99x = 637,762,467,481.18 - Step 5: Solve for x
x = 637,762,467,481.18/913,725.99 - Step 6: Final answer
x = 697,980.00
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1.5x scale
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.