Finding the Fourth Proportional to 800,117.12, 1,104,439.68 and 460,720.64
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Solution
The fourth proportional to 800,117.12, 1,104,439.68 and 460,720.64 is: 635,954.59
Step by Step Solution
- Step 1: Write the proportion equation
800,117.12 : 1,104,439.68 = 460,720.64 : x - Step 2: Convert to fraction form
800,117.12/1,104,439.68 = 460,720.64/x - Step 3: Cross multiply
800,117.12x = 1,104,439.68 × 460,720.64 - Step 4: Simplify right side
800,117.12x = 508,838,156,211.00 - Step 5: Solve for x
x = 508,838,156,211.00/800,117.12 - Step 6: Final answer
x = 635,954.59
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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.