Finding the Fourth Proportional to 551,305.80, 826,958.70 and 411,337.80
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Solution
The fourth proportional to 551,305.80, 826,958.70 and 411,337.80 is: 617,006.70
Step by Step Solution
- Step 1: Write the proportion equation
551,305.80 : 826,958.70 = 411,337.80 : x - Step 2: Convert to fraction form
551,305.80/826,958.70 = 411,337.80/x - Step 3: Cross multiply
551,305.80x = 826,958.70 × 411,337.80 - Step 4: Simplify right side
551,305.80x = 340,159,372,348.86 - Step 5: Solve for x
x = 340,159,372,348.86/551,305.80 - Step 6: Final answer
x = 617,006.70
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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.