Finding the Fourth Proportional to 791,764.26, 1,187,646.69 and 286,314.08
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Solution
The fourth proportional to 791,764.26, 1,187,646.69 and 286,314.08 is: 429,471.23
Step by Step Solution
- Step 1: Write the proportion equation
791,764.26 : 1,187,646.69 = 286,314.08 : x - Step 2: Convert to fraction form
791,764.26/1,187,646.69 = 286,314.08/x - Step 3: Cross multiply
791,764.26x = 1,187,646.69 × 286,314.08 - Step 4: Simplify right side
791,764.26x = 340,039,969,412.40 - Step 5: Solve for x
x = 340,039,969,412.40/791,764.26 - Step 6: Final answer
x = 429,471.23
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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.