Finding the Fourth Proportional to 640,251.24, 953,240.93 and 631,309.82
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Solution
The fourth proportional to 640,251.24, 953,240.93 and 631,309.82 is: 939,928.47
Step by Step Solution
- Step 1: Write the proportion equation
640,251.24 : 953,240.93 = 631,309.82 : x - Step 2: Convert to fraction form
640,251.24/953,240.93 = 631,309.82/x - Step 3: Cross multiply
640,251.24x = 953,240.93 × 631,309.82 - Step 4: Simplify right side
640,251.24x = 601,790,364,198.12 - Step 5: Solve for x
x = 601,790,364,198.12/640,251.24 - Step 6: Final answer
x = 939,928.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.