Finding the Fourth Proportional to 866,037.77, 1,195,110.91 and 478,842.99
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Solution
The fourth proportional to 866,037.77, 1,195,110.91 and 478,842.99 is: 660,791.59
Step by Step Solution
- Step 1: Write the proportion equation
866,037.77 : 1,195,110.91 = 478,842.99 : x - Step 2: Convert to fraction form
866,037.77/1,195,110.91 = 478,842.99/x - Step 3: Cross multiply
866,037.77x = 1,195,110.91 × 478,842.99 - Step 4: Simplify right side
866,037.77x = 572,270,481,671.92 - Step 5: Solve for x
x = 572,270,481,671.92/866,037.77 - Step 6: Final answer
x = 660,791.59
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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.