Finding the Fourth Proportional to 807,990.24, 1,115,023.68 and 468,652.08
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Solution
The fourth proportional to 807,990.24, 1,115,023.68 and 468,652.08 is: 646,738.22
Step by Step Solution
- Step 1: Write the proportion equation
807,990.24 : 1,115,023.68 = 468,652.08 : x - Step 2: Convert to fraction form
807,990.24/1,115,023.68 = 468,652.08/x - Step 3: Cross multiply
807,990.24x = 1,115,023.68 × 468,652.08 - Step 4: Simplify right side
807,990.24x = 522,558,166,881.25 - Step 5: Solve for x
x = 522,558,166,881.25/807,990.24 - Step 6: Final answer
x = 646,738.22
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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.