Finding the Fourth Proportional to 804,929.28, 1,110,748.71 and 442,345.35
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Solution
The fourth proportional to 804,929.28, 1,110,748.71 and 442,345.35 is: 610,407.07
Step by Step Solution
- Step 1: Write the proportion equation
804,929.28 : 1,110,748.71 = 442,345.35 : x - Step 2: Convert to fraction form
804,929.28/1,110,748.71 = 442,345.35/x - Step 3: Cross multiply
804,929.28x = 1,110,748.71 × 442,345.35 - Step 4: Simplify right side
804,929.28x = 491,334,526,887.00 - Step 5: Solve for x
x = 491,334,526,887.00/804,929.28 - Step 6: Final answer
x = 610,407.07
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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.