Finding the Fourth Proportional to 782,573.79, 1,174,261 and 372,707.08
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Solution
The fourth proportional to 782,573.79, 1,174,261 and 372,707.08 is: 559,251.28
Step by Step Solution
- Step 1: Write the proportion equation
782,573.79 : 1,174,261 = 372,707.08 : x - Step 2: Convert to fraction form
782,573.79/1,174,261 = 372,707.08/x - Step 3: Cross multiply
782,573.79x = 1,174,261 × 372,707.08 - Step 4: Simplify right side
782,573.79x = 437,655,388,467.88 - Step 5: Solve for x
x = 437,655,388,467.88/782,573.79 - Step 6: Final answer
x = 559,251.28
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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.