Finding the Fourth Proportional to 891,555.26, 1,337,285.79 and 292,437.50
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Solution
The fourth proportional to 891,555.26, 1,337,285.79 and 292,437.50 is: 438,640.80
Step by Step Solution
- Step 1: Write the proportion equation
891,555.26 : 1,337,285.79 = 292,437.50 : x - Step 2: Convert to fraction form
891,555.26/1,337,285.79 = 292,437.50/x - Step 3: Cross multiply
891,555.26x = 1,337,285.79 × 292,437.50 - Step 4: Simplify right side
891,555.26x = 391,072,513,213.13 - Step 5: Solve for x
x = 391,072,513,213.13/891,555.26 - Step 6: Final answer
x = 438,640.80
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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.