Finding the Fourth Proportional to 877,478.99, 1,209,749.99 and 696,789.05
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Solution
The fourth proportional to 877,478.99, 1,209,749.99 and 696,789.05 is: 960,639.00
Step by Step Solution
- Step 1: Write the proportion equation
877,478.99 : 1,209,749.99 = 696,789.05 : x - Step 2: Convert to fraction form
877,478.99/1,209,749.99 = 696,789.05/x - Step 3: Cross multiply
877,478.99x = 1,209,749.99 × 696,789.05 - Step 4: Simplify right side
877,478.99x = 842,940,536,736.91 - Step 5: Solve for x
x = 842,940,536,736.91/877,478.99 - Step 6: Final answer
x = 960,639.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.