Finding the Fourth Proportional to 879,660.70, 1,319,491.05 and 575,230.30
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Solution
The fourth proportional to 879,660.70, 1,319,491.05 and 575,230.30 is: 862,845.45
Step by Step Solution
- Step 1: Write the proportion equation
879,660.70 : 1,319,491.05 = 575,230.30 : x - Step 2: Convert to fraction form
879,660.70/1,319,491.05 = 575,230.30/x - Step 3: Cross multiply
879,660.70x = 1,319,491.05 × 575,230.30 - Step 4: Simplify right side
879,660.70x = 759,011,232,538.82 - Step 5: Solve for x
x = 759,011,232,538.82/879,660.70 - Step 6: Final answer
x = 862,845.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.