Finding the Fourth Proportional to 750,731.84, 1,126,097.76 and 189,766.34
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Solution
The fourth proportional to 750,731.84, 1,126,097.76 and 189,766.34 is: 284,649.51
Step by Step Solution
- Step 1: Write the proportion equation
750,731.84 : 1,126,097.76 = 189,766.34 : x - Step 2: Convert to fraction form
750,731.84/1,126,097.76 = 189,766.34/x - Step 3: Cross multiply
750,731.84x = 1,126,097.76 × 189,766.34 - Step 4: Simplify right side
750,731.84x = 213,695,450,397.40 - Step 5: Solve for x
x = 213,695,450,397.40/750,731.84 - Step 6: Final answer
x = 284,649.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.