Finding the Fourth Proportional to 960,688.99, 1,441,285.86 and 345,255.09
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Solution
The fourth proportional to 960,688.99, 1,441,285.86 and 345,255.09 is: 517,973.33
Step by Step Solution
- Step 1: Write the proportion equation
960,688.99 : 1,441,285.86 = 345,255.09 : x - Step 2: Convert to fraction form
960,688.99/1,441,285.86 = 345,255.09/x - Step 3: Cross multiply
960,688.99x = 1,441,285.86 × 345,255.09 - Step 4: Simplify right side
960,688.99x = 497,611,272,103.60 - Step 5: Solve for x
x = 497,611,272,103.60/960,688.99 - Step 6: Final answer
x = 517,973.33
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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.