Finding the Fourth Proportional to 818,525.42, 1,129,577.09 and 474,386.79
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Solution
The fourth proportional to 818,525.42, 1,129,577.09 and 474,386.79 is: 654,660.73
Step by Step Solution
- Step 1: Write the proportion equation
818,525.42 : 1,129,577.09 = 474,386.79 : x - Step 2: Convert to fraction form
818,525.42/1,129,577.09 = 474,386.79/x - Step 3: Cross multiply
818,525.42x = 1,129,577.09 × 474,386.79 - Step 4: Simplify right side
818,525.42x = 535,856,447,410.71 - Step 5: Solve for x
x = 535,856,447,410.71/818,525.42 - Step 6: Final answer
x = 654,660.73
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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.