Finding the Fourth Proportional to 784,212.10, 1,177,484.55 and 606,919.30
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Solution
The fourth proportional to 784,212.10, 1,177,484.55 and 606,919.30 is: 911,281.65
Step by Step Solution
- Step 1: Write the proportion equation
784,212.10 : 1,177,484.55 = 606,919.30 : x - Step 2: Convert to fraction form
784,212.10/1,177,484.55 = 606,919.30/x - Step 3: Cross multiply
784,212.10x = 1,177,484.55 × 606,919.30 - Step 4: Simplify right side
784,212.10x = 714,638,098,846.82 - Step 5: Solve for x
x = 714,638,098,846.82/784,212.10 - Step 6: Final answer
x = 911,281.65
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1.5x scale
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.