Finding the Fourth Proportional to 1,009,353.24, 1,392,810.66 and 556,615.08
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Solution
The fourth proportional to 1,009,353.24, 1,392,810.66 and 556,615.08 is: 768,075.42
Step by Step Solution
- Step 1: Write the proportion equation
1,009,353.24 : 1,392,810.66 = 556,615.08 : x - Step 2: Convert to fraction form
1,009,353.24/1,392,810.66 = 556,615.08/x - Step 3: Cross multiply
1,009,353.24x = 1,392,810.66 × 556,615.08 - Step 4: Simplify right side
1,009,353.24x = 775,259,416,940.75 - Step 5: Solve for x
x = 775,259,416,940.75/1,009,353.24 - Step 6: Final answer
x = 768,075.42
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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.