Finding the Fourth Proportional to 800,430.84, 1,104,620.92 and 437,846.42
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Solution
The fourth proportional to 800,430.84, 1,104,620.92 and 437,846.42 is: 604,242.48
Step by Step Solution
- Step 1: Write the proportion equation
800,430.84 : 1,104,620.92 = 437,846.42 : x - Step 2: Convert to fraction form
800,430.84/1,104,620.92 = 437,846.42/x - Step 3: Cross multiply
800,430.84x = 1,104,620.92 × 437,846.42 - Step 4: Simplify right side
800,430.84x = 483,654,316,946.04 - Step 5: Solve for x
x = 483,654,316,946.04/800,430.84 - Step 6: Final answer
x = 604,242.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.