Finding the Fourth Proportional to 715,493.21, 1,073,731.88 and 294,769.08
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Solution
The fourth proportional to 715,493.21, 1,073,731.88 and 294,769.08 is: 442,356.34
Step by Step Solution
- Step 1: Write the proportion equation
715,493.21 : 1,073,731.88 = 294,769.08 : x - Step 2: Convert to fraction form
715,493.21/1,073,731.88 = 294,769.08/x - Step 3: Cross multiply
715,493.21x = 1,073,731.88 × 294,769.08 - Step 4: Simplify right side
715,493.21x = 316,502,958,065.81 - Step 5: Solve for x
x = 316,502,958,065.81/715,493.21 - Step 6: Final answer
x = 442,356.34
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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.