Finding the Fourth Proportional to 730,645.56, 1,095,968.52 and 478,138.68
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Solution
The fourth proportional to 730,645.56, 1,095,968.52 and 478,138.68 is: 717,208.14
Step by Step Solution
- Step 1: Write the proportion equation
730,645.56 : 1,095,968.52 = 478,138.68 : x - Step 2: Convert to fraction form
730,645.56/1,095,968.52 = 478,138.68/x - Step 3: Cross multiply
730,645.56x = 1,095,968.52 × 478,138.68 - Step 4: Simplify right side
730,645.56x = 524,024,941,474.35 - Step 5: Solve for x
x = 524,024,941,474.35/730,645.56 - Step 6: Final answer
x = 717,208.14
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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.