Finding the Fourth Proportional to 832,263.96, 1,147,478.61 and 679,146.63
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Solution
The fourth proportional to 832,263.96, 1,147,478.61 and 679,146.63 is: 936,369.07
Step by Step Solution
- Step 1: Write the proportion equation
832,263.96 : 1,147,478.61 = 679,146.63 : x - Step 2: Convert to fraction form
832,263.96/1,147,478.61 = 679,146.63/x - Step 3: Cross multiply
832,263.96x = 1,147,478.61 × 679,146.63 - Step 4: Simplify right side
832,263.96x = 779,306,230,978.58 - Step 5: Solve for x
x = 779,306,230,978.58/832,263.96 - Step 6: Final answer
x = 936,369.07
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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.