Finding the Fourth Proportional to 794,438.76, 1,191,283.56 and 288,643.08
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Solution
The fourth proportional to 794,438.76, 1,191,283.56 and 288,643.08 is: 432,828.52
Step by Step Solution
- Step 1: Write the proportion equation
794,438.76 : 1,191,283.56 = 288,643.08 : x - Step 2: Convert to fraction form
794,438.76/1,191,283.56 = 288,643.08/x - Step 3: Cross multiply
794,438.76x = 1,191,283.56 × 288,643.08 - Step 4: Simplify right side
794,438.76x = 343,855,755,911.77 - Step 5: Solve for x
x = 343,855,755,911.77/794,438.76 - Step 6: Final answer
x = 432,828.52
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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.