Finding the Fourth Proportional to 480,700.62, 720,420.21 and 353,746.62
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Solution
The fourth proportional to 480,700.62, 720,420.21 and 353,746.62 is: 530,155.78
Step by Step Solution
- Step 1: Write the proportion equation
480,700.62 : 720,420.21 = 353,746.62 : x - Step 2: Convert to fraction form
480,700.62/720,420.21 = 353,746.62/x - Step 3: Cross multiply
480,700.62x = 720,420.21 × 353,746.62 - Step 4: Simplify right side
480,700.62x = 254,846,214,267.19 - Step 5: Solve for x
x = 254,846,214,267.19/480,700.62 - Step 6: Final answer
x = 530,155.78
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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.