Finding the Fourth Proportional to 948,779.68, 1,309,743.46 and 605,076.84
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Solution
The fourth proportional to 948,779.68, 1,309,743.46 and 605,076.84 is: 835,278.68
Step by Step Solution
- Step 1: Write the proportion equation
948,779.68 : 1,309,743.46 = 605,076.84 : x - Step 2: Convert to fraction form
948,779.68/1,309,743.46 = 605,076.84/x - Step 3: Cross multiply
948,779.68x = 1,309,743.46 × 605,076.84 - Step 4: Simplify right side
948,779.68x = 792,495,433,987.47 - Step 5: Solve for x
x = 792,495,433,987.47/948,779.68 - Step 6: Final answer
x = 835,278.68
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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.