Finding the Fourth Proportional to 671,513.68, 1,007,237.71 and 250,756.75
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Solution
The fourth proportional to 671,513.68, 1,007,237.71 and 250,756.75 is: 376,122.87
Step by Step Solution
- Step 1: Write the proportion equation
671,513.68 : 1,007,237.71 = 250,756.75 : x - Step 2: Convert to fraction form
671,513.68/1,007,237.71 = 250,756.75/x - Step 3: Cross multiply
671,513.68x = 1,007,237.71 × 250,756.75 - Step 4: Simplify right side
671,513.68x = 252,571,654,637.04 - Step 5: Solve for x
x = 252,571,654,637.04/671,513.68 - Step 6: Final answer
x = 376,122.87
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.