Finding the Fourth Proportional to 898,479.49, 1,239,755.35 and 530,905.48
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Solution
The fourth proportional to 898,479.49, 1,239,755.35 and 530,905.48 is: 732,563.09
Step by Step Solution
- Step 1: Write the proportion equation
898,479.49 : 1,239,755.35 = 530,905.48 : x - Step 2: Convert to fraction form
898,479.49/1,239,755.35 = 530,905.48/x - Step 3: Cross multiply
898,479.49x = 1,239,755.35 × 530,905.48 - Step 4: Simplify right side
898,479.49x = 658,192,909,174.32 - Step 5: Solve for x
x = 658,192,909,174.32/898,479.49 - Step 6: Final answer
x = 732,563.09
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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.