Finding the Fourth Proportional to 688,027.10, 1,031,631.79 and 261,594.14
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Solution
The fourth proportional to 688,027.10, 1,031,631.79 and 261,594.14 is: 392,235.76
Step by Step Solution
- Step 1: Write the proportion equation
688,027.10 : 1,031,631.79 = 261,594.14 : x - Step 2: Convert to fraction form
688,027.10/1,031,631.79 = 261,594.14/x - Step 3: Cross multiply
688,027.10x = 1,031,631.79 × 261,594.14 - Step 4: Simplify right side
688,027.10x = 269,868,832,826.81 - Step 5: Solve for x
x = 269,868,832,826.81/688,027.10 - Step 6: Final answer
x = 392,235.76
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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.