Finding the Fourth Proportional to 903,988.24, 1,247,412.92 and 541,402.80
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Solution
The fourth proportional to 903,988.24, 1,247,412.92 and 541,402.80 is: 747,081.45
Step by Step Solution
- Step 1: Write the proportion equation
903,988.24 : 1,247,412.92 = 541,402.80 : x - Step 2: Convert to fraction form
903,988.24/1,247,412.92 = 541,402.80/x - Step 3: Cross multiply
903,988.24x = 1,247,412.92 × 541,402.80 - Step 4: Simplify right side
903,988.24x = 675,352,847,644.18 - Step 5: Solve for x
x = 675,352,847,644.18/903,988.24 - Step 6: Final answer
x = 747,081.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.