Finding the Fourth Proportional to 891,857.24, 1,230,756.75 and 483,948.71
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Solution
The fourth proportional to 891,857.24, 1,230,756.75 and 483,948.71 is: 667,845.82
Step by Step Solution
- Step 1: Write the proportion equation
891,857.24 : 1,230,756.75 = 483,948.71 : x - Step 2: Convert to fraction form
891,857.24/1,230,756.75 = 483,948.71/x - Step 3: Cross multiply
891,857.24x = 1,230,756.75 × 483,948.71 - Step 4: Simplify right side
891,857.24x = 595,623,135,332.51 - Step 5: Solve for x
x = 595,623,135,332.51/891,857.24 - Step 6: Final answer
x = 667,845.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.