Finding the Fourth Proportional to 961,985.08, 1,326,961.11 and 635,301.10
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Solution
The fourth proportional to 961,985.08, 1,326,961.11 and 635,301.10 is: 876,333.60
Step by Step Solution
- Step 1: Write the proportion equation
961,985.08 : 1,326,961.11 = 635,301.10 : x - Step 2: Convert to fraction form
961,985.08/1,326,961.11 = 635,301.10/x - Step 3: Cross multiply
961,985.08x = 1,326,961.11 × 635,301.10 - Step 4: Simplify right side
961,985.08x = 843,019,852,840.22 - Step 5: Solve for x
x = 843,019,852,840.22/961,985.08 - Step 6: Final answer
x = 876,333.60
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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.