Finding the Fourth Proportional to 948,093.66, 1,308,369.11 and 518,373.68
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Solution
The fourth proportional to 948,093.66, 1,308,369.11 and 518,373.68 is: 715,355.59
Step by Step Solution
- Step 1: Write the proportion equation
948,093.66 : 1,308,369.11 = 518,373.68 : x - Step 2: Convert to fraction form
948,093.66/1,308,369.11 = 518,373.68/x - Step 3: Cross multiply
948,093.66x = 1,308,369.11 × 518,373.68 - Step 4: Simplify right side
948,093.66x = 678,224,101,215.31 - Step 5: Solve for x
x = 678,224,101,215.31/948,093.66 - Step 6: Final answer
x = 715,355.59
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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.