Finding the Fourth Proportional to 898,478.49, 1,239,753.97 and 530,904.48
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Solution
The fourth proportional to 898,478.49, 1,239,753.97 and 530,904.48 is: 732,561.70
Step by Step Solution
- Step 1: Write the proportion equation
898,478.49 : 1,239,753.97 = 530,904.48 : x - Step 2: Convert to fraction form
898,478.49/1,239,753.97 = 530,904.48/x - Step 3: Cross multiply
898,478.49x = 1,239,753.97 × 530,904.48 - Step 4: Simplify right side
898,478.49x = 658,190,932,785.34 - Step 5: Solve for x
x = 658,190,932,785.34/898,478.49 - Step 6: Final answer
x = 732,561.70
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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.