Finding the Fourth Proportional to 851,487.99, 1,175,011.20 and 483,917.07
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Solution
The fourth proportional to 851,487.99, 1,175,011.20 and 483,917.07 is: 667,781.56
Step by Step Solution
- Step 1: Write the proportion equation
851,487.99 : 1,175,011.20 = 483,917.07 : x - Step 2: Convert to fraction form
851,487.99/1,175,011.20 = 483,917.07/x - Step 3: Cross multiply
851,487.99x = 1,175,011.20 × 483,917.07 - Step 4: Simplify right side
851,487.99x = 568,607,977,121.18 - Step 5: Solve for x
x = 568,607,977,121.18/851,487.99 - Step 6: Final answer
x = 667,781.56
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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.