Finding the Fourth Proportional to 756,523, 1,044,001.74 and 416,998.54
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Solution
The fourth proportional to 756,523, 1,044,001.74 and 416,998.54 is: 575,457.99
Step by Step Solution
- Step 1: Write the proportion equation
756,523 : 1,044,001.74 = 416,998.54 : x - Step 2: Convert to fraction form
756,523/1,044,001.74 = 416,998.54/x - Step 3: Cross multiply
756,523x = 1,044,001.74 × 416,998.54 - Step 4: Simplify right side
756,523x = 435,347,201,337.46 - Step 5: Solve for x
x = 435,347,201,337.46/756,523 - Step 6: Final answer
x = 575,457.99
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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.