Finding the Fourth Proportional to 898,161.84, 1,239,432.30 and 535,398.75
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Solution
The fourth proportional to 898,161.84, 1,239,432.30 and 535,398.75 is: 738,831.77
Step by Step Solution
- Step 1: Write the proportion equation
898,161.84 : 1,239,432.30 = 535,398.75 : x - Step 2: Convert to fraction form
898,161.84/1,239,432.30 = 535,398.75/x - Step 3: Cross multiply
898,161.84x = 1,239,432.30 × 535,398.75 - Step 4: Simplify right side
898,161.84x = 663,590,504,129.63 - Step 5: Solve for x
x = 663,590,504,129.63/898,161.84 - Step 6: Final answer
x = 738,831.77
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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.