Finding the Fourth Proportional to 887,678.08, 1,224,995.76 and 485,270.08
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Solution
The fourth proportional to 887,678.08, 1,224,995.76 and 485,270.08 is: 669,672.72
Step by Step Solution
- Step 1: Write the proportion equation
887,678.08 : 1,224,995.76 = 485,270.08 : x - Step 2: Convert to fraction form
887,678.08/1,224,995.76 = 485,270.08/x - Step 3: Cross multiply
887,678.08x = 1,224,995.76 × 485,270.08 - Step 4: Simplify right side
887,678.08x = 594,453,790,454.86 - Step 5: Solve for x
x = 594,453,790,454.86/887,678.08 - Step 6: Final answer
x = 669,672.72
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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.