Finding the Fourth Proportional to 615,813.74, 849,748.02 and 343,896.74
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Solution
The fourth proportional to 615,813.74, 849,748.02 and 343,896.74 is: 474,535.65
Step by Step Solution
- Step 1: Write the proportion equation
615,813.74 : 849,748.02 = 343,896.74 : x - Step 2: Convert to fraction form
615,813.74/849,748.02 = 343,896.74/x - Step 3: Cross multiply
615,813.74x = 849,748.02 × 343,896.74 - Step 4: Simplify right side
615,813.74x = 292,225,573,899.46 - Step 5: Solve for x
x = 292,225,573,899.46/615,813.74 - Step 6: Final answer
x = 474,535.65
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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.