Finding the Fourth Proportional to 857,534.24, 1,183,398.95 and 470,352.81
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Solution
The fourth proportional to 857,534.24, 1,183,398.95 and 470,352.81 is: 649,087.80
Step by Step Solution
- Step 1: Write the proportion equation
857,534.24 : 1,183,398.95 = 470,352.81 : x - Step 2: Convert to fraction form
857,534.24/1,183,398.95 = 470,352.81/x - Step 3: Cross multiply
857,534.24x = 1,183,398.95 × 470,352.81 - Step 4: Simplify right side
857,534.24x = 556,615,017,794.82 - Step 5: Solve for x
x = 556,615,017,794.82/857,534.24 - Step 6: Final answer
x = 649,087.80
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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.