Finding the Fourth Proportional to 804,985.52, 1,110,905.01 and 442,402.79
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Solution
The fourth proportional to 804,985.52, 1,110,905.01 and 442,402.79 is: 610,529.58
Step by Step Solution
- Step 1: Write the proportion equation
804,985.52 : 1,110,905.01 = 442,402.79 : x - Step 2: Convert to fraction form
804,985.52/1,110,905.01 = 442,402.79/x - Step 3: Cross multiply
804,985.52x = 1,110,905.01 × 442,402.79 - Step 4: Simplify right side
804,985.52x = 491,467,470,294.45 - Step 5: Solve for x
x = 491,467,470,294.45/804,985.52 - Step 6: Final answer
x = 610,529.58
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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.