Finding the Fourth Proportional to 747,923.73, 1,121,261.09 and 348,358.83
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Solution
The fourth proportional to 747,923.73, 1,121,261.09 and 348,358.83 is: 522,247.37
Step by Step Solution
- Step 1: Write the proportion equation
747,923.73 : 1,121,261.09 = 348,358.83 : x - Step 2: Convert to fraction form
747,923.73/1,121,261.09 = 348,358.83/x - Step 3: Cross multiply
747,923.73x = 1,121,261.09 × 348,358.83 - Step 4: Simplify right side
747,923.73x = 390,601,199,695.13 - Step 5: Solve for x
x = 390,601,199,695.13/747,923.73 - Step 6: Final answer
x = 522,247.37
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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.