Finding the Fourth Proportional to 805,646.08, 1,111,805.16 and 461,512.12
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Solution
The fourth proportional to 805,646.08, 1,111,805.16 and 461,512.12 is: 636,894.50
Step by Step Solution
- Step 1: Write the proportion equation
805,646.08 : 1,111,805.16 = 461,512.12 : x - Step 2: Convert to fraction form
805,646.08/1,111,805.16 = 461,512.12/x - Step 3: Cross multiply
805,646.08x = 1,111,805.16 × 461,512.12 - Step 4: Simplify right side
805,646.08x = 513,111,556,418.54 - Step 5: Solve for x
x = 513,111,556,418.54/805,646.08 - Step 6: Final answer
x = 636,894.50
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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.