Finding the Fourth Proportional to 915,263.05, 1,372,879.86 and 284,177.47
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Solution
The fourth proportional to 915,263.05, 1,372,879.86 and 284,177.47 is: 426,261.64
Step by Step Solution
- Step 1: Write the proportion equation
915,263.05 : 1,372,879.86 = 284,177.47 : x - Step 2: Convert to fraction form
915,263.05/1,372,879.86 = 284,177.47/x - Step 3: Cross multiply
915,263.05x = 1,372,879.86 × 284,177.47 - Step 4: Simplify right side
915,263.05x = 390,141,525,228.75 - Step 5: Solve for x
x = 390,141,525,228.75/915,263.05 - Step 6: Final answer
x = 426,261.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.