Finding the Fourth Proportional to 603,746.70, 905,620.05 and 426,599.70
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Solution
The fourth proportional to 603,746.70, 905,620.05 and 426,599.70 is: 639,899.55
Step by Step Solution
- Step 1: Write the proportion equation
603,746.70 : 905,620.05 = 426,599.70 : x - Step 2: Convert to fraction form
603,746.70/905,620.05 = 426,599.70/x - Step 3: Cross multiply
603,746.70x = 905,620.05 × 426,599.70 - Step 4: Simplify right side
603,746.70x = 386,337,241,643.99 - Step 5: Solve for x
x = 386,337,241,643.99/603,746.70 - Step 6: Final answer
x = 639,899.55
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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.