Finding the Fourth Proportional to 661,077.99, 912,288.02 and 359,271.99
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Solution
The fourth proportional to 661,077.99, 912,288.02 and 359,271.99 is: 495,795.56
Step by Step Solution
- Step 1: Write the proportion equation
661,077.99 : 912,288.02 = 359,271.99 : x - Step 2: Convert to fraction form
661,077.99/912,288.02 = 359,271.99/x - Step 3: Cross multiply
661,077.99x = 912,288.02 × 359,271.99 - Step 4: Simplify right side
661,077.99x = 327,759,530,602.20 - Step 5: Solve for x
x = 327,759,530,602.20/661,077.99 - Step 6: Final answer
x = 495,795.56
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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.