Finding the Fourth Proportional to 991,838.96, 1,487,198.46 and 907,202.06
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Solution
The fourth proportional to 991,838.96, 1,487,198.46 and 907,202.06 is: 1,360,290.89
Step by Step Solution
- Step 1: Write the proportion equation
991,838.96 : 1,487,198.46 = 907,202.06 : x - Step 2: Convert to fraction form
991,838.96/1,487,198.46 = 907,202.06/x - Step 3: Cross multiply
991,838.96x = 1,487,198.46 × 907,202.06 - Step 4: Simplify right side
991,838.96x = 1,349,189,506,540.83 - Step 5: Solve for x
x = 1,349,189,506,540.83/991,838.96 - Step 6: Final answer
x = 1,360,290.89
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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.