Finding the Fourth Proportional to 860,588.76, 1,187,699.58 and 493,114.56
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Solution
The fourth proportional to 860,588.76, 1,187,699.58 and 493,114.56 is: 680,548.00
Step by Step Solution
- Step 1: Write the proportion equation
860,588.76 : 1,187,699.58 = 493,114.56 : x - Step 2: Convert to fraction form
860,588.76/1,187,699.58 = 493,114.56/x - Step 3: Cross multiply
860,588.76x = 1,187,699.58 × 493,114.56 - Step 4: Simplify right side
860,588.76x = 585,671,955,803.89 - Step 5: Solve for x
x = 585,671,955,803.89/860,588.76 - Step 6: Final answer
x = 680,548.00
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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.