Finding the Fourth Proportional to 889,832.28, 1,226,984.58 and 567,031.08
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Solution
The fourth proportional to 889,832.28, 1,226,984.58 and 567,031.08 is: 781,875.87
Step by Step Solution
- Step 1: Write the proportion equation
889,832.28 : 1,226,984.58 = 567,031.08 : x - Step 2: Convert to fraction form
889,832.28/1,226,984.58 = 567,031.08/x - Step 3: Cross multiply
889,832.28x = 1,226,984.58 × 567,031.08 - Step 4: Simplify right side
889,832.28x = 695,738,391,540.75 - Step 5: Solve for x
x = 695,738,391,540.75/889,832.28 - Step 6: Final answer
x = 781,875.87
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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.