Finding the Fourth Proportional to 709,596.48, 1,064,564.21 and 236,285.94
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Solution
The fourth proportional to 709,596.48, 1,064,564.21 and 236,285.94 is: 354,485.35
Step by Step Solution
- Step 1: Write the proportion equation
709,596.48 : 1,064,564.21 = 236,285.94 : x - Step 2: Convert to fraction form
709,596.48/1,064,564.21 = 236,285.94/x - Step 3: Cross multiply
709,596.48x = 1,064,564.21 × 236,285.94 - Step 4: Simplify right side
709,596.48x = 251,541,553,644.86 - Step 5: Solve for x
x = 251,541,553,644.86/709,596.48 - Step 6: Final answer
x = 354,485.35
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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.