Finding the Fourth Proportional to 889,906.08, 1,228,102.08 and 487,498.08
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Solution
The fourth proportional to 889,906.08, 1,228,102.08 and 487,498.08 is: 672,764.71
Step by Step Solution
- Step 1: Write the proportion equation
889,906.08 : 1,228,102.08 = 487,498.08 : x - Step 2: Convert to fraction form
889,906.08/1,228,102.08 = 487,498.08/x - Step 3: Cross multiply
889,906.08x = 1,228,102.08 × 487,498.08 - Step 4: Simplify right side
889,906.08x = 598,697,406,044.01 - Step 5: Solve for x
x = 598,697,406,044.01/889,906.08 - Step 6: Final answer
x = 672,764.71
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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.