Finding the Fourth Proportional to 905,169.84, 1,248,995.64 and 523,122.96
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Solution
The fourth proportional to 905,169.84, 1,248,995.64 and 523,122.96 is: 721,829.50
Step by Step Solution
- Step 1: Write the proportion equation
905,169.84 : 1,248,995.64 = 523,122.96 : x - Step 2: Convert to fraction form
905,169.84/1,248,995.64 = 523,122.96/x - Step 3: Cross multiply
905,169.84x = 1,248,995.64 × 523,122.96 - Step 4: Simplify right side
905,169.84x = 653,378,296,223.89 - Step 5: Solve for x
x = 653,378,296,223.89/905,169.84 - Step 6: Final answer
x = 721,829.50
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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.