Finding the Fourth Proportional to 901,239.16, 1,243,624.98 and 538,590.82
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Solution
The fourth proportional to 901,239.16, 1,243,624.98 and 538,590.82 is: 743,204.50
Step by Step Solution
- Step 1: Write the proportion equation
901,239.16 : 1,243,624.98 = 538,590.82 : x - Step 2: Convert to fraction form
901,239.16/1,243,624.98 = 538,590.82/x - Step 3: Cross multiply
901,239.16x = 1,243,624.98 × 538,590.82 - Step 4: Simplify right side
901,239.16x = 669,804,997,750.68 - Step 5: Solve for x
x = 669,804,997,750.68/901,239.16 - Step 6: Final answer
x = 743,204.50
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1.5x scale
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.