Finding the Fourth Proportional to 942,116.08, 1,412,638.80 and 642,959.08
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Solution
The fourth proportional to 942,116.08, 1,412,638.80 and 642,959.08 is: 964,073.28
Step by Step Solution
- Step 1: Write the proportion equation
942,116.08 : 1,412,638.80 = 642,959.08 : x - Step 2: Convert to fraction form
942,116.08/1,412,638.80 = 642,959.08/x - Step 3: Cross multiply
942,116.08x = 1,412,638.80 × 642,959.08 - Step 4: Simplify right side
942,116.08x = 908,268,943,220.30 - Step 5: Solve for x
x = 908,268,943,220.30/942,116.08 - Step 6: Final answer
x = 964,073.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.