Finding the Fourth Proportional to 870,231.68, 1,305,739.08 and 470,404.36
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Solution
The fourth proportional to 870,231.68, 1,305,739.08 and 470,404.36 is: 705,818.20
Step by Step Solution
- Step 1: Write the proportion equation
870,231.68 : 1,305,739.08 = 470,404.36 : x - Step 2: Convert to fraction form
870,231.68/1,305,739.08 = 470,404.36/x - Step 3: Cross multiply
870,231.68x = 1,305,739.08 × 470,404.36 - Step 4: Simplify right side
870,231.68x = 614,225,356,254.39 - Step 5: Solve for x
x = 614,225,356,254.39/870,231.68 - Step 6: Final answer
x = 705,818.20
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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.