Finding the Fourth Proportional to 424,543.71, 586,710.90 and 347,941.99
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Solution
The fourth proportional to 424,543.71, 586,710.90 and 347,941.99 is: 480,848.86
Step by Step Solution
- Step 1: Write the proportion equation
424,543.71 : 586,710.90 = 347,941.99 : x - Step 2: Convert to fraction form
424,543.71/586,710.90 = 347,941.99/x - Step 3: Cross multiply
424,543.71x = 586,710.90 × 347,941.99 - Step 4: Simplify right side
424,543.71x = 204,141,358,100.69 - Step 5: Solve for x
x = 204,141,358,100.69/424,543.71 - Step 6: Final answer
x = 480,848.86
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1.5x scale
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.