Finding the Fourth Proportional to 912,970.10, 1,259,672.36 and 590,291.91
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Solution
The fourth proportional to 912,970.10, 1,259,672.36 and 590,291.91 is: 814,456.47
Step by Step Solution
- Step 1: Write the proportion equation
912,970.10 : 1,259,672.36 = 590,291.91 : x - Step 2: Convert to fraction form
912,970.10/1,259,672.36 = 590,291.91/x - Step 3: Cross multiply
912,970.10x = 1,259,672.36 × 590,291.91 - Step 4: Simplify right side
912,970.10x = 743,574,400,407.15 - Step 5: Solve for x
x = 743,574,400,407.15/912,970.10 - Step 6: Final answer
x = 814,456.47
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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.