Finding the Fourth Proportional to 891,809.57, 1,337,853.47 and 292,634.35
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Solution
The fourth proportional to 891,809.57, 1,337,853.47 and 292,634.35 is: 438,997.17
Step by Step Solution
- Step 1: Write the proportion equation
891,809.57 : 1,337,853.47 = 292,634.35 : x - Step 2: Convert to fraction form
891,809.57/1,337,853.47 = 292,634.35/x - Step 3: Cross multiply
891,809.57x = 1,337,853.47 × 292,634.35 - Step 4: Simplify right side
891,809.57x = 391,501,880,588.69 - Step 5: Solve for x
x = 391,501,880,588.69/891,809.57 - Step 6: Final answer
x = 438,997.17
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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.