Finding the Fourth Proportional to 671,323.20, 1,006,984.80 and 471,868.80
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Solution
The fourth proportional to 671,323.20, 1,006,984.80 and 471,868.80 is: 707,803.20
Step by Step Solution
- Step 1: Write the proportion equation
671,323.20 : 1,006,984.80 = 471,868.80 : x - Step 2: Convert to fraction form
671,323.20/1,006,984.80 = 471,868.80/x - Step 3: Cross multiply
671,323.20x = 1,006,984.80 × 471,868.80 - Step 4: Simplify right side
671,323.20x = 475,164,709,194.24 - Step 5: Solve for x
x = 475,164,709,194.24/671,323.20 - Step 6: Final answer
x = 707,803.20
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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.