Finding the Fourth Proportional to 660,599.74, 911,622.63 and 358,795.90
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Solution
The fourth proportional to 660,599.74, 911,622.63 and 358,795.90 is: 495,135.62
Step by Step Solution
- Step 1: Write the proportion equation
660,599.74 : 911,622.63 = 358,795.90 : x - Step 2: Convert to fraction form
660,599.74/911,622.63 = 358,795.90/x - Step 3: Cross multiply
660,599.74x = 911,622.63 × 358,795.90 - Step 4: Simplify right side
660,599.74x = 327,086,461,991.22 - Step 5: Solve for x
x = 327,086,461,991.22/660,599.74 - Step 6: Final answer
x = 495,135.62
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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.