Finding the Fourth Proportional to 480,630.70, 720,315.35 and 353,676.49
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Solution
The fourth proportional to 480,630.70, 720,315.35 and 353,676.49 is: 530,050.63
Step by Step Solution
- Step 1: Write the proportion equation
480,630.70 : 720,315.35 = 353,676.49 : x - Step 2: Convert to fraction form
480,630.70/720,315.35 = 353,676.49/x - Step 3: Cross multiply
480,630.70x = 720,315.35 × 353,676.49 - Step 4: Simplify right side
480,630.70x = 254,758,604,681.12 - Step 5: Solve for x
x = 254,758,604,681.12/480,630.70 - Step 6: Final answer
x = 530,050.63
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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.