Finding the Fourth Proportional to 739,838.43, 1,021,005.99 and 417,559.68
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Solution
The fourth proportional to 739,838.43, 1,021,005.99 and 417,559.68 is: 576,248.70
Step by Step Solution
- Step 1: Write the proportion equation
739,838.43 : 1,021,005.99 = 417,559.68 : x - Step 2: Convert to fraction form
739,838.43/1,021,005.99 = 417,559.68/x - Step 3: Cross multiply
739,838.43x = 1,021,005.99 × 417,559.68 - Step 4: Simplify right side
739,838.43x = 426,330,934,462.48 - Step 5: Solve for x
x = 426,330,934,462.48/739,838.43 - Step 6: Final answer
x = 576,248.70
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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.