Finding the Fourth Proportional to 887,680.08, 1,224,998.52 and 485,272.08
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Solution
The fourth proportional to 887,680.08, 1,224,998.52 and 485,272.08 is: 669,675.48
Step by Step Solution
- Step 1: Write the proportion equation
887,680.08 : 1,224,998.52 = 485,272.08 : x - Step 2: Convert to fraction form
887,680.08/1,224,998.52 = 485,272.08/x - Step 3: Cross multiply
887,680.08x = 1,224,998.52 × 485,272.08 - Step 4: Simplify right side
887,680.08x = 594,457,579,797.32 - Step 5: Solve for x
x = 594,457,579,797.32/887,680.08 - Step 6: Final answer
x = 669,675.48
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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.