Finding the Fourth Proportional to 671,600.20, 1,007,400.30 and 632,201.80
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Solution
The fourth proportional to 671,600.20, 1,007,400.30 and 632,201.80 is: 948,302.70
Step by Step Solution
- Step 1: Write the proportion equation
671,600.20 : 1,007,400.30 = 632,201.80 : x - Step 2: Convert to fraction form
671,600.20/1,007,400.30 = 632,201.80/x - Step 3: Cross multiply
671,600.20x = 1,007,400.30 × 632,201.80 - Step 4: Simplify right side
671,600.20x = 636,880,282,980.54 - Step 5: Solve for x
x = 636,880,282,980.54/671,600.20 - Step 6: Final answer
x = 948,302.70
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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.