Finding the Fourth Proportional to 918,926.96, 1,267,933.36 and 536,879.92
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Solution
The fourth proportional to 918,926.96, 1,267,933.36 and 536,879.92 is: 740,785.71
Step by Step Solution
- Step 1: Write the proportion equation
918,926.96 : 1,267,933.36 = 536,879.92 : x - Step 2: Convert to fraction form
918,926.96/1,267,933.36 = 536,879.92/x - Step 3: Cross multiply
918,926.96x = 1,267,933.36 × 536,879.92 - Step 4: Simplify right side
918,926.96x = 680,727,960,882.13 - Step 5: Solve for x
x = 680,727,960,882.13/918,926.96 - Step 6: Final answer
x = 740,785.71
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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.