Finding the Fourth Proportional to 715,631.10, 1,073,038.41 and 294,405.18
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Solution
The fourth proportional to 715,631.10, 1,073,038.41 and 294,405.18 is: 441,439.82
Step by Step Solution
- Step 1: Write the proportion equation
715,631.10 : 1,073,038.41 = 294,405.18 : x - Step 2: Convert to fraction form
715,631.10/1,073,038.41 = 294,405.18/x - Step 3: Cross multiply
715,631.10x = 1,073,038.41 × 294,405.18 - Step 4: Simplify right side
715,631.10x = 315,908,066,242.96 - Step 5: Solve for x
x = 315,908,066,242.96/715,631.10 - Step 6: Final answer
x = 441,439.82
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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.