Finding the Fourth Proportional to 598,900.84, 826,472.31 and 340,772.19
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Solution
The fourth proportional to 598,900.84, 826,472.31 and 340,772.19 is: 470,259.45
Step by Step Solution
- Step 1: Write the proportion equation
598,900.84 : 826,472.31 = 340,772.19 : x - Step 2: Convert to fraction form
598,900.84/826,472.31 = 340,772.19/x - Step 3: Cross multiply
598,900.84x = 826,472.31 × 340,772.19 - Step 4: Simplify right side
598,900.84x = 281,638,778,917.19 - Step 5: Solve for x
x = 281,638,778,917.19/598,900.84 - Step 6: Final answer
x = 470,259.45
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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.