Finding the Fourth Proportional to 864,407.26, 1,193,038.17 and 515,570.03
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Solution
The fourth proportional to 864,407.26, 1,193,038.17 and 515,570.03 is: 711,579.77
Step by Step Solution
- Step 1: Write the proportion equation
864,407.26 : 1,193,038.17 = 515,570.03 : x - Step 2: Convert to fraction form
864,407.26/1,193,038.17 = 515,570.03/x - Step 3: Cross multiply
864,407.26x = 1,193,038.17 × 515,570.03 - Step 4: Simplify right side
864,407.26x = 615,094,721,673.36 - Step 5: Solve for x
x = 615,094,721,673.36/864,407.26 - Step 6: Final answer
x = 711,579.77
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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.