Finding the Fourth Proportional to 786,326.70, 1,177,740.45 and 646,358.70
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Solution
The fourth proportional to 786,326.70, 1,177,740.45 and 646,358.70 is: 968,099.88
Step by Step Solution
- Step 1: Write the proportion equation
786,326.70 : 1,177,740.45 = 646,358.70 : x - Step 2: Convert to fraction form
786,326.70/1,177,740.45 = 646,358.70/x - Step 3: Cross multiply
786,326.70x = 1,177,740.45 × 646,358.70 - Step 4: Simplify right side
786,326.70x = 761,242,786,199.42 - Step 5: Solve for x
x = 761,242,786,199.42/786,326.70 - Step 6: Final answer
x = 968,099.88
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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.